Save 1% on the Intermatic 156T4042A Fireman Switch by Intermatic at Option Ridge. MPN: 2CMA142436R1000. Hurry! Limited time offer. Offer valid only while supplies last. INTERMATIC 156T4042A HEATER CONTROL ( FIREMAN) SWITCH KIT
The 156T4042A Fireman Switch provides coordinated control for any pool/spa heater and filter pump. It is designed to turn OFF a gas fired pool/spa heater approximately 20 minutes before the filter pump shuts down. This eliminates the problem of pounding and knocking caused by overheated water and also reduces scale and lime deposits and extends service life of the heater.Designed to turn OFF a gas fire pool/spa heater. Reduces scale and
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