How do you adjust the pressure switch on a Hayward?
Turn the adjustment knob on the pressure switch clockwise, until the heater turns off, then turn the knob 1/4 turn ounter-clockwise, so that the heater turns back on. Turning the adjustment knob clockwise increases the pressure needed to close the switch.
Why is my Hayward H250 pool heater not starting?
For example, the heater should not startup unless the pump is running and water is flowing through the heater. If you are doing this test with the pump off, you can jump across the flow sensor and the heater may start, but the flow sensor is correctly detecting the lack of flow.
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.
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.
Can You disconnect the control panel on a Hayward pool heater?
Disconnect the control panel via this connector, the other two wires are the remote thermostats. don’t disconnect them, and don’t fold or bend them too much, they’ll snap
For example, the heater should not startup unless the pump is running and water is flowing through the heater. If you are doing this test with the pump off, you can jump across the flow sensor and the heater may start, but the flow sensor is correctly detecting the lack of flow.
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.
What’s the difference between Jandy and Hayward pool heaters?
When it comes to troubleshooting Hayward pool heaters, there’s not too much difference between the problem solving process for other gas-fired heaters, made by Jandy, Pentair or Raypak. The components of a Hayward pool heater are also very similar to gas heaters made by other manufacturers.
Disconnect the control panel via this connector, the other two wires are the remote thermostats. don’t disconnect them, and don’t fold or bend them too much, they’ll snap
