Hayward heater 1f code

How to stay warm and safe when you're getting cozy this winter. Even if you live somewhere with central heating, sometimes it’s nice to get an extra boost of warmth from a space he...

Key Takeaways. The P5 code on Hayward pool heaters indicates a problem with the pressure switch. Common causes of the P5 code include clogged filters, improper water flow, and electrical issues. Troubleshooting steps for the P5 code involve checking water pressure, inspecting the heat exchanger, and verifying the gas supply.The Hayward Universal H-Series gas heater is the "universal" energy efficient remedy for any new or existing pool or spa. An industry leading hydraulic design reduces circulation pump run time to provide energy savings of up to 18% when compared to less efficient competitors. ... South Coast Quality Air Management Commission for 2001 and the ...The Hayward Heater HS code indicates that either your water temperature has exceeded a maximum of 104°F or the water temperature is changing at an unusual rate (faster than 6°F in 60 seconds or less while the heater) is on and firing.This is usually in your home's main electrical panel. Flip the breaker for your pool heater to the "Off" position, wait a few seconds, then flip it back to the "On" position. Finally, power your heater back on using the power switch. After a successful reset, your heater should be functioning correctly.Step 1F Verify that 18-33 Volts DC is present between the black and red wire connections. If no/low voltage is present, replace the rectifiers, go to step 1G . If the voltage is OK, go to step 1H. Note: The red & black wires cannot be reversed, this will also cause a 'No Cell Power' message. Page 6 Test the 20 amp (yellow) fuse,According to Hayward, and every one of those heaters I've worked on, a 3-second or less signal (voltage) at the main valve indicates that the boards need to be replaced. Reply. ... After the third attempt, I get the "IF" code. On a side, when the heater was functioning, I always would smell gas when it ignited. Now when I attempt to ignite it ...Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts.Remove front & rear panels Remove wires from limit switches. Step 13. Remove the 4 screws from the bottom of the front and rear panels and pull up and out to remove each one. Step 14. Use needle nose pliers to remove the 2 red wires from each of the high limit switches. Remove wires from water pressure switch.

UNIVERSAL HC-SERIES GAS POOL HEATERS. Industry’s smallest footprint heater (588 sq in) *. Dual-fuel technology from a single input source. 400,000 BTU heating capacity. Fits directly against walls, fences, or other equipment. …Residential: Heaters. Hayward has an advanced lineup of heaters and heat-cool pumps to deliver the ultimate control of water temperature and efficiency. Learn More. Download Assets. 49 Items.We have a older Hayward heater that needs something because we have a older Hayward heater that needs something because our pool is small 16 x 28 and it takes a good 6 hours to heat. Live in Henderson NV do we need a new element or can you recommend someone.OmniLogic: Wi-Fi Bridge (HLWLAN) 7 C2 A2 B2 E2 F2 D2 Injector HLWLAN G2 H2 I2 A3 LAN Port (Ethernet cable from LAN port to MSP) B3 Power to Injector (power cable plugs into the MPP) C3 PoE Port (Ethernet cable from PoEto LAN ( ) of the HLWLAN) D3 UNUSED E3 LAN (PoE) Port (Ethernet cable from the LAN ( ) to of the injector)F3 PWR …Residential: Heaters. Hayward has an advanced lineup of heaters and heat-cool pumps to deliver the ultimate control of water temperature and efficiency. Learn More. Download Assets. 49 Items.Hayward pool heater SF temperature Sensor error code. Starts up but turns off and present error code SF. (Part 4) shows heater working and explains how we fi...

Fixing a Hayward Heater LO Code: Step-by-Step… Solve Hayward Pool Heater BO Code: Easy… Sta-Rite Pool Heater Troubleshooting: Quick Fixes… Pentair MasterTemp 400: Fix a Flashing Heating Light… Pentair MasterTemp 400: Fixing Ignition Lockout Issues; Decode Richmond Water Heater Blinking Light Codes:…The low NOx emission makes it a perfect choice for the environmentally concerned pool owner. Enjoy a warmer pool this season without your fuel costs skyrocketing. Hayward's Universal H-Series heaters represent innovative heating technology for pools and spas. Its hydraulic performance also saves energy by reducing the circulation time of the pump.Jun 25, 2022 · The tech did the install and ran the heater only for a few minutes to check for ignition and stuff. He had done some other plumbing work so he didn't want to run in too long, or the pool pump either, so that the PVC glue really had some time to cure. The heater is a 400,000 BTU Hayward Universal HC Series Model HDF400 Pool Heater.Hayward Inground Pool & Spa Heaters. >. Hayward H150FDN Natural Gas Pool Heater 150K BTU - Low NOx. Larger Photo Email A Friend. Our Price: $2,468.00. Sale Price: $ 2,199.00.Hayward Pool Heater IF Code What Does IF Code Mean? The Hayward Pool Heater IF code indicates an ignition failure. This means that the heater was unable to ignite the gas properly, preventing it from operating as intended. IF Code Quick Troubleshooting Steps. Refers to an ignition failure. Check gas supply and ensure valves are open.Step 2: Place the other meter lead on the Red wire terminal of the High Limit Switch (the one coming from the Water Pressure Switch) and check for 120 VAC. If not present, replace Wire Harness. If okay, proceed to Step 3. Heater Does Not Ignite- Blower Comes On. Step 3: Place meter lead on the Yellow wire terminal of the first High Limit Switch ...

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The Hayward H-Series' Finn Plate cupro-nickel heat exchanger has special V-groove design for faster heating and longer life. Hayward Universal H-Series, Low NOx, 400,000 BTU, Propane Gas, Pool and Spa Heater delivers energy efficient heating to your pool's water that you can trust. Hayward Universal H-Series - Versatility & PowerHi guys nee to the forum and also new pool owner So i live in NY and will be my first time using the pool. So i had a guy come and open the pool but the heater wont start and its showing a LO code on the panel Was searching for posibles solutions and its either flow switch malfunctioning or...First, reset your heater thermostat. Now, set the temperature point below 104 degrees. Then, set the function “Ok”. Always keep the temperature under 104 degrees to allow the heater to heat the water at this temperature. Note: Learn how to fix CE code on Hayward pool heater. 4.According to Hayward, and every one of those heaters I've worked on, a 3-second or less signal (voltage) at the main valve indicates that the boards need to be replaced. Reply. ... After the third attempt, I get the "IF" code. On a side, when the heater was functioning, I always would smell gas when it ignited. Now when I attempt to ignite it ...The tech did the install and ran the heater only for a few minutes to check for ignition and stuff. He had done some other plumbing work so he didn't want to run in too long, or the pool pump either, so that the PVC glue really had some time to cure. The heater is a 400,000 BTU Hayward Universal HC Series Model HDF400 Pool Heater.

Residential: Heaters. Hayward has an advanced lineup of heaters and heat-cool pumps to deliver the ultimate control of water temperature and efficiency. Learn More. Download Assets. 49 Items.In this section, we’ll delve into the hayward pool heater p5 code, its features, and how it works. So, let’s dive in! Features Of The Hayward Pool Heater P5 Code: Energy-efficient: The hayward pool heater p5 code is designed with energy efficiency in mind. It utilizes advanced technology to ensure optimal fuel consumption, resulting in ...My Hayward H400K heater is showing an AO code and will not kick over and begin heating.....it appears to be working fine. Cannot smell any propane but the tanks are 60% full....everything sounds fine, it just not kick on and begin heating....Geoff Read More. advertise; about us; our experts; rss feed; careers;Lo code new Hayward Heater. Thread starter CCBRENNER; Start date Jun 28, 2023; Jump to latest Follow Reply Forums. Equipment - Build, Use, and Repair. Everything Else . C. CCBRENNER New member. Jun 28, 2023 4 Pensacola, FL. Jun 28, 2023; Add bookmark #1 I have a new Hayward heater. ...Heater Not Powering Up (cont.) Test transformer input Test transformer output Step 1E Step 1F Disconnect the P3 plug from field wiring panel Disconnect P4 plug from FWP. Verify 22-28VAC (FWP). Test 110-125VAC between pins 1&2 and between pins 1 & 2 (red wires), then 110-125VAC 3&4 on the board.The Hayward H-Series' Finn Plate cupro-nickel heat exchanger has special V-groove design for faster heating and longer life. Hayward Universal H-Series, Low NOx, 400,000 BTU, Propane Gas, Pool and Spa Heater delivers energy efficient heating to your pool's water that you can trust. Hayward Universal H-Series - Versatility & PowerIf your LG refrigerator is displaying a 1F or IF error code, it means the control board is detecting an issue with the ice maker, which is most likely caused by…Learn How Solar Pool Heaters Work; Learn About Hayward. At Hayward, we're more than just equipment. Learn more. Hayward Insights. Hayward Insights. Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. Support.Buttons no longer working on a H350 Hawyard pool heater. Replaced display board and bezel. Problem solved.Hayward H250FDN ERROR CODE Sb. Chilo1971. Jan 11, 2020. Jump to latest Follow Reply. Forums. News and Announcements. About Trouble Free Pool. C.

Hayward 400 bo code. texasstig. Mar 13, 2021. bo code hayward heater failure - remote not firing heater. Jump to latest Follow Reply. Forums. Equipment - Build, Use, and Repair. Everything Else. T.

The tech did the install and ran the heater only for a few minutes to check for ignition and stuff. He had done some other plumbing work so he didn't want to run in too long, or the pool pump either, so that the PVC glue really had some time to cure. The heater is a 400,000 BTU Hayward Universal HC Series Model HDF400 Pool Heater.Pool Covers. In addition to heating your pool or spa, you can enhance the warming effect by adding a cover to maintain a comfortable water temperature. Using a swimming pool cover when the pool is not in use can reduce your heating costs by as much as 50-70%. Read Pool Covers Save Water and Energy to learn about additional benefits.POOL HEATER TEMPERATURE 🔐 UNLOCK !!! HAYWARD ,may work for different models,Hayward h400 runs fine for 15 min then shuts down. Lo code has new thermostat ,bypass valve filter clean i think it is running hot the gas pipe going into the gas valve very hot to touch .jumped the t … read moreOn 1/27/2010 at 7:57 AM, txpoolguy said: CE code indicates "Communication Error". Problem is communication between integrated control board and display board. Display board (DB) is the one mounted on the backside of the keypad. Integrated control board (ICB) is the one back in the heater behind the display board.The heater at issue is a Hayward H400 from 2005. The homeowner controls the longevity of all things associated with the pool - pool finish, equipment (especially he heater), pool area... - by consistent and carefully keeping the pool water chemistry in balance and the pool clean. A pool heater (specifically the heat exchanger) can be destroyed ...Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. Support. ... Phase Heaters: 1.0000: Pool Type: In Ground: Product Dimensions: 24 " x 25 " x 29.5 "Product Height: 24 in: Product Length: 29.5 in: Product Weight: 165 lb: Product Width:Here I go over some of the most common problems that affect these Hayward, formerly Summit Heat pump or thermopump pool heaters. Flo (no flow) and LP (low pr...The Hayward Pool Heater SF Code is a safety feature that prevents the pool heater from over-heating. The code stands for "Safety Fault" and is displayed when the temperature in the heater exceeds 110 degrees Fahrenheit (43°C). It will shut off power to the pool heater until it can cool down to a safe temperature.

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Nov 11, 2023 · 1-877-342-2087. The Hayward heater LO code indicates a fault in the temperature limit switch, vent pressure switch, or water pressure switch. To fix it, ensure the pump is on, is wired and connected well, the water flow is above the required minimum pressure, the filters are clean. Replace defective switches.Go Green with a little help from the sun. AquaSolar GL-235™ is America's best-selling entry level microprocessor based solar pool heating control system designed for easy and dependable operation. Enjoy automatic maximization of solar heat collection and reliable, accurate performance. AquaSolar GL-235 also includes a nocturnal cooling option.Second opinion] I have a 400000 btu hayward gas heater. I set it for 85 degrees and turned the pump on high. The heater doesn't start. only he "stand bye" light blinks rapidly. Filter is clean and pre … read moreand Electrical Connections 9-11 How To: Pg. 12-17 Program Heater Bypass & Temperature Lockout 13-15 Test/Adjust Gas Pressure 16-17 Troubleshooting: Pg. 18-64 Diagnostic …Page 2 of 2 Hayward City Hall 777 B Street Hayward CA, 94541-5007 Phone: 510-583-4140 Website: www.hayward-ca.gov Permit Center Hours: Please see website for operating hours Type "B" vent termination minimum is 1 foot above roof in approved cap. Double-wall "" vents are required and must have 1 in. clearance to combustibles. Single wall connectors are allowed withThe SF code on your Hayward heater’s display stands for “Stack Flue Sensor Failure.”. This code indicates that there’s a problem with the sensor responsible for monitoring the flue gases in your heater. Flue gases are the byproducts of combustion, and monitoring them is crucial for safety reasons. Common Causes of SF Code.Hi, I have a 30ft above ground pool with a hayward pump, filter and gas heater. My pump is a 2.25 hp, can I replace that with a 1.5? My heater is a SW250 with a min flow rate of 25 or max of 125 gpm. … read moreDive into a pool of knowledge with our Hayward Pools manuals and literature page, where you can search by SKU. Explore comprehensive guides, maintenance manuals, and essential literature for all your pool needs. Whether you're a beginner or a seasoned pool owner, find everything you need to keep your Hayward pool in perfect condition. Start your search today and make a splash with confidence!If you're looking for help fixing your Hayward Pool Heaters, look no further! Our comprehensive Hayward Pool Heaters error code guide will explain common iss...Property Value in Hayward. Most homes in Hayward are valued $500,000 to $999,999, with 16,438 houses in this category. There are just 238 houses valued at $500,000 to $999,999. As you can see in the chart and table below, this is the smallest segment in this zip code. House Value. ….

Step 3 Press and hold the minus & plus buttons for. Hayward HDF275 | Universal HC Series Heater Troubleshooting Guide - Page 11. setting the max temp lock-out set point, the LEDs & display should flash rapidly. Step 5 Step 6 Press the 'MENU ICON' button to toggle to the 'POOL' now that the 'SPA' is set.Hayward CZ 150 - 400. Hayward Electronic. Hayward HM2 150 - 400. Hayward Induced. Hayward Low Nox. Hayward PSG-II-110-355. Hayward SGII-60. Hayward Universal H-Series Low Nox. Shop OEM replacement parts using model diagrams for your Hayward Heaters!If your Hayward pool heater is displaying the LO code, it means that the limit string is open and the heater will shut down and enter lockout mode. To fix the problem and close the limit string, you’ll need to wait 2 minutes for the automatic restart. A malfunctioning temperature limit switch, water pressure switch, or vent pressure switch ...When your Hayward pool heater flashes the 'bo code', it's signaling that there's an issue with the bypass operation. Here's a strategic approach to get your heater back to optimal functionality. Reset the Heater: Turn off the heater and the circuit breaker for 30 seconds. Power up the system again to see if the 'bo code' persists.Model W3H150FDP. Cupro-Nickel heat exchanger with patented "V" baffle design increases the life of your unit and reduces heating time. Patented Polymer Header design provides superior hydraulic performance which saves energy and protects against damage due to high flow conditions. 2" x 2 1/2" CPVC unions.Customer attachment 4/10/2023 9:21:50 PM Heater is less than 2 years old last summer. HVAC Technician: BillyHvac. Ok that is the part. Remove the 3 screws and remove..it is a basic metal flame sense rod. Clean rod with steel wool and reinstall and try a cycle.Service LED ON: “b1” Code “b1” Code stands for “Ignition Control Board (ICB) data error”. If the ICB does not satisfy self-diagnostic on power up or initial trial for ignition, the ICB will lock out until error condition is corrected.USE ONLY HAYWARD GENUINE REPLACEMENT PARTS 51300102101 RevC Hayward Industries 1415 Vantage Park Dr., Suite 400 Charlotte, NC 28203 Phone: (908) 355-7995 www.hayward.com ... Conformance With Codes: The heater shall be installed in accordance with all local and state codes and with theResidential: Heaters. Hayward has an advanced lineup of heaters and heat-cool pumps to deliver the ultimate control of water temperature and efficiency. Learn More. Download Assets. 49 Items. Hayward heater 1f code, When your Hayward pool heater displays the BD code, it’s essentially indicating a problem that needs attention. This code is a diagnostic tool designed to help you identify the issue so you can take appropriate action. While it may seem intimidating, diagnosing and fixing the problem can often be done with some basic troubleshooting. …, Clicking this will make more experts see the question and we will remind you when it gets answered., It is perfectly normal operation to show the FLO code even while the heater is in the OFF position because the control panel and display are still operational. From the manual: All AquaCal heaters represented within this manual are designed to operate successfully at flow rates of 30-to-70 gallons-per-minute (GPM)., Hayward H250 pool heaters can experience ignition failure due to a variety of reasons. Possible causes include: faulty electrical connections, a failed thermistor or Hi-Limit switch, an obstructed flue vent pipe, and/or debris in the combustion chamber. If the heater fails to ignite when it is turned on, first check that power is being supplied ..., The low NOx emission makes it a perfect choice for the environmentally concerned pool owner. Enjoy a warmer pool this season without your fuel costs skyrocketing. Hayward's Universal H-Series heaters represent innovative heating technology for pools and spas. Its hydraulic performance also saves energy by reducing the circulation time of the pump., Posted April 16, 2010. The "LO" code means "Loop Open", referring to your safety loop switches. Most likely it's your pressure switch that's open due to low water flow usually caused by a dirty filter. The "60" code is really "bO" meaning "bypass operation" in which your heater's internal thermostat is bypassed so as to control the set ..., >Pool Supply Unlimited has some of the best prices when shopping for Hayward H-Series Natural Gas Valve | FDXLGSV0001 // Initialize Pentair / Channel Advisor Sales Reporting sTrack.initialise(); ... Heaters. Lights - Pool & Spa. Liners. Maintenance Items. Motors - Replacement. Paint - Pool & Deck. Plumbing. Pumps. Safety Covers. Safety ..., Re: Hayward Heater - repairing the heat exchanger. If you maintain your pool, copper pipes and heat exchangers will last indefinitely. The most common reason they don't is low pH + extreme high chlorine from skimmer tabs + long pump-off timer cycles. You can also kill exchangers by calcium build up. The 1st problem results in inside-out failure ..., May 26, 2011. #1. Hi everyone, I am hoping you can help me out! I have a Hayward H400 IDPL2 heater - when we opened this year I got an IF code so I cleaned out the nozzles …, Troubleshooting Hayward H200FDP Heater. Thread starter Neemer; Start date Jun 15, 2019; Jump to latest Follow Reply Forums. Equipment - Build, Use, and Repair ... But, our Hayward rep and our past experience tell us to change ALL 3 boards out if you need to change the ICB. These heaters are great, but the boards can give each other problems and ..., Step 1 Step 2 Verify the heater’s power LED is illuminated, and put the heater is Using the up and down arrows adjust the heater to the desired the desired mode. Page 13 How To: Set Clock Follow these steps to adjust the Clock Settings. Note: blocked off areas of the display represent flashing numbers., Bad ribbon cable plus broken vacuum sensor hose and to top it all off, some critters found a nice cozy home!"CE" code is normally fixed by replacing the disp..., Critter ruins the control circuits of a pool heater.In this case, we needed to swap out the display board and the Control board., In this section, we’ll delve into the hayward pool heater p5 code, its features, and how it works. So, let’s dive in! Features Of The Hayward Pool Heater P5 Code: Energy-efficient: The hayward pool heater p5 code is designed with energy efficiency in mind., Pumps, Filters, Cleaners, Heaters, Heat Pumps, some Incandescent Lighting and Accessories. Hayward's serial numbers for all products, with the exception of some cleaners, controls, heat pumps and electronic chlorinators, are 17 digits long and begin with the numbers '21'. Often these numbers appear on product labels with spaces or parentheses., Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. Support. ... Phase Heaters: 1.0000: Pool Type: In Ground: Product Dimensions: 24 " x 34 " x 29.5 "Product Height: 24 in: Product Length: 29.5 in: Product Weight: 195 lb: Product Width:, Step 5: Clean the filter or remove any obstructions. Examine the position of the valves in the plumbing system. Set the water pressure switch to the desired setting. If the Hayward pool heater LO code persists, the water pressure switch must be replaced., How to fix it: Check that pool pump is receiving enough water. Ensure that your pool pump is sending water to the heat pump. For variable speed pool pumps, try putting the pump speed up a notch Check for any clogs or backups causing poor water circulation. The same is true if what you use is in your pool is the Raypak pool heater., 6 ONLY USE GENUINE HAYWARD REPLAEMENT PARTS 51300803801 REV WIRING CONNECTION DIAGRAM WARNING -Risk of Electric Shock Before working on any electrical equipment, turn off power supply to the equip- ment. WARNING -Risk of Electric Shock All electrical wiring MUST conform to applicable local codes, regulations, and the National Electric Code (NEC). Hazardous voltage can cause death, shock, burn ..., Error Code AC. This error occurs when your blower vacuum switch is found …, Customer attachment 4/10/2023 9:21:50 PM Heater is less than 2 years old last summer. HVAC Technician: BillyHvac. Ok that is the part. Remove the 3 screws and remove..it is a basic metal flame sense rod. Clean rod with steel wool and reinstall and try a cycle., View online or download Hayward H400FDN Owner's Manual, ... Brands; Hayward Manuals; Heater; H400FDN; Hayward H400FDN Manuals. Manuals and User Guides for Hayward H400FDN. We have 4 Hayward H400FDN manuals available for free PDF download: Troubleshooting ... Diagnostic Codes and Part Numbers. 19. Troubleshooting …, The Hayward Universal H-Series gas heater is one of the most energy-efficient Pool and Spa heating solutions on the market! Its ground-breaking hydraulic design reduces pump circulation run time, giving you an energy savings of up to 18%! This unit is perfect for the environmentally conscious Pool and Spa owner thanks to its Low NOx capabilities., Summary of Contents for Hayward H300FD. Page 1 POOL AND SPA/HOT TUB HEATERS H150FD, H200FD, H250FD, H300FD, H350FD, H400FD & H500FD MODELS OWNER'S MANUAL FOR YOUR SAFETY WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, PRINTED 10/24/2011 AT 1:13 PM injury, or death., Hayward Pool Heater Lo Code Troubleshoot And Diagnosis. You should only hire a professional to do Hayward pool heater troubleshooting if you have no idea how to or dont have the time to do it yourself. Hiring an expert is always the best way to keep your pool heater in top condition and avoid any major problems from happening., SPECIFICATIONS AND DIMENSIONS H500FD H400FD H250FD H200FD H150FD BTU/hr 500,000 399,900 250,000 199,900 150,000 Thermal efficiency 83% 84% 84% 83% 82.7%, Hayward 400 bo code. texasstig. Mar 13, 2021. bo code hayward heater failure - remote not firing heater. Jump to latest Follow Reply. Forums. Equipment - Build, Use, and Repair. Everything Else. T., 2. Friendswood/Texas. Nov 18, 2015. #1. I recently had a problem with our Hayward H250IDL2 heater. It showed an "IF" code, which stands for Ignition Failure. I do my own maintenance when I am able to, so I pulled the covers off of the unit and started trouble shooting. I did not manage to resolve the problem, so I called my local pool service ..., How to replace the keypad on a Hayward HD400 gas pool heater, Heater will not power up Pages 14-22 Open FC1 and/or FC2 Fuse Pages 23-24 Open FC3 and/or F1 Fuse Pages 25-28 Open FC4 Fuse Pages 29-31 Diagnostic Codes Page 32 BD Code Pages 33-34 EE and CE Codes Page 35 IO and SB Codes Page 36 SF and HS Codes Page 37 HS and PF Codes Page 38 HF Code Page 39 LO Code Pages 40-43, Tegucigalpa was founded on September 29, 1578. On November 17, 1820, the town hall was installed in the Cabildo de Comayagüela. On August 22, 1849 it was given the name of Villa de Concepción. On April 10, 1897 the title of city is conferred on the Villa de Concepción. At the end of 1890, Comayagüela, which was its own municipality, ceased ..., Understanding the IF Code. The Hayward heater’s IF code is a diagnostic tool designed to alert you when something isn’t quite right with your heating system. When you see the IF code displayed on the heater’s control panel, it’s a signal that the system has encountered an issue and needs attention. Here’s what the IF code typically ..., Start heater again. Does low side pressure drop below 30 psi for R-22 unit or 80 psi on a R-410A unit? Figure C. Replace LP switch. See Note 2 below NO Abandon existing switch on Hayward R-22 units. Replacement switch is a screw on switch. Use a swivel tee on the low side access port. On Summit and R-410A (4T) Hayward units the existing switch ...