How do you change a Hayward flame sensor?

To remove the flame sensor:

Turn pump, gas supply, and heater power “OFF”.
Remove the front access panel (4 screws).
Disconnect the wire from the flame sensor.
Remove the screw that secures the flame sensor to remove the sensor.
Replace the flame sensor by reversing steps 1 – 4.

Where is the flame sensor on a Hayward pool heater?

Try removing and cleaning the flame sensor down on the bottom left side inside of the heater. it’s, very common for it to get sooted up enough that it doesn’t sense the flame and then turns the heater back off with ignition failure. you can clean it with steel wool and it’s very easy to remove.

What kind of igniter does a Hayward pool heater use?

It’s a 1016-405 Series Direct Spark Igniter, but you need to pay attention to the part number on the white paper sticker, it is a 1016-458 variant.

How to fix a Hayward natural gas pool heater?

When the pool starts up in the morning the heater will go into IF – Ignition Failure. I have to go through and cycle it about 4 times before it will ignite, and catch and start up. It then heats very well… Every morning it is the same, IF.

What does jumper th mean on Hayward pool heater?

When the gas igniter fails a few times, it’ll lock you out for a while. This is the gas valve and sensor , you could bypass this if you think there is a gas flow issue but only for testing. TH is marked on the top left, the manual says jump TH –TH , I believe its saying jumper TH on the left, to the bottom left orange.

Where can I get a Hayward flame sensor replacement?

State Warehouse Bezel and Keypad Assembly Replacement Kit # FDXLBKP1930 Replace for Hayward Compatible with Universal H-Series Low NOX Pool Heater Fits Models H150FDN, H150FDP,H300FDN, H300FDP. In Stock. In Stock. In Stock. In Stock. In Stock. In Stock. In Stock. In Stock. In Stock. In Stock. In Stock. In Stock. Only 3 left in stock – order soon.

Why does my Hayward pool heater never light?

If it never lights, probably a igniter issue. However, it could also be a bad igniter control board. Go to this site and download the manual, if you don’t have it. Page 44 talks about the igniter and the flame sensor. Pool Heaters Hayward Universal H-Series Low NOx

What causes a Hayward h400fdn to go out?

If the units lights, but then goes out about 4 seconds or less, you probably have a flame sensor issue. If it never lights, probably a igniter issue. However, it could also be a bad igniter control board. Go to this site and download the manual, if you don’t have it.

What kind of heater has a flame sensor?

This flame sensor is designed to use with Hayward H-Series Universal Low NOx induced draft heater models H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H250IDL2, H350IDL2, H400IDL2. Also fits Hayward Universal H-Series gas heater model C_PAHEAT.