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Rick
Rick, General Contractor
Category: Pool and Spa
Satisfied Customers: 21521
Experience:  Licensed construction supervisor with 35+ yrs. experience.
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I have a Hayward H100ID above ground heater. Just started up

Customer Question

I have a Hayward H100ID above ground heater.
Just started up the pool for the year and it worked fine at first.
Now it is failing to ignite. The blower comes on and the Igniter strikes one time before the gas valve opens, but the igniter only strikes the one time prior to the gas valve opening and thus fails to light the flame.
I took the igniter IDX IGN 1930 out and examined it it is giving a strong arc but only once per ignition attempt. The schematic calls out an Ignition module, but the parts list only mentions a Control Module IDX ILS 1930. Is the ignition module and the contro module one piece
Submitted: 1 year ago.
Category: Pool and Spa
Expert:  Rick replied 1 year ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

There's an error in the parts list. The ignition module is part IDXMOD1930
http://www.poolpartsonline.com/p-19784-idxmod1930-ignition-module.aspx

You should get a continuous (ticking) spark until it ignites. So 1 "tick" would indicate a faulty ignition module.

Customer: replied 1 year ago.
ok so the ignition module is integral to the control module?
and not replaceable separately?
a close up of the module shows a PART 35-705923-125 igniter on the board, do you know if this item is replaceable by itself
the Control module is 1/2 the price of a new heater
Expert:  Rick replied 1 year ago.

The replacement part is linked above. There are no other alternatives. Modifying/replacing board components goes against manufacturer's policy. You may be able to source board components but I can't tell you where you might find them since nobody does that.

Customer: replied 1 year ago.
ok thanks for the bad news
Was hoping against hope that there was a cheaper option
Expert:  Rick replied 1 year ago.

You're welcome