View Full Version : Lennox GCS16-653-125-1Y
01-09-2010, 02:17 PM
I am looking for an ignition module for this RTU. the fenwal is very old and no model numbers can be read. need some help locating a module for this unit.
01-09-2010, 05:36 PM
here is a site to give you an idea whats replacing that original one... http://www.bestbuyheatingandairconditioning.com/Merchant2/merchant.mvc?Screen=CTGY&Category_Code=cb-lennox
01-09-2010, 06:29 PM
There are universal direct spark ignition modules available. You will need a 30 second prepurge--4-7 second trial for ignition and 2 re try before lockout. You usually have to cut the card connector off to use the aftermarket modules. Johnson controls, honeywell, and white rodgers have multi fit applications. If you are unsure how to retrofit one of these in, order the replacement part from Lennox. I believe it is called the A-3 ignition control.
01-10-2010, 05:19 PM
thanks, i did more searching and I think I have the right module available at johnstone supply or united refrigeration. this is the number that I have that seems to be good
DIRECT SPARK IGNITION MODULE
IGNITION TRIAL TIME 6.8 SEC
PREPURGE PERIOD 30 SEC
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