serving as a direct replacement for legacy Honeywell PA404A and Pressuretrol models in Weil-McLain configurations

It features a technical set point range of 25°F to 75°F with a fixed 2°F differential

Direct Cross-Reference: Specifically engineered to replace Newco 705595

The S1-FHM3587 is the current technical successor for the S1-024-32082-000

making it suitable for larger residential and light commercial systems

Lochinvar & A.O. Smith 100187881 Ignitor Assembly 320788-703 serving as a direct replacementThe Lochinvar & A. O. Smith 100187881 Ignitor Assembly is a critical OEM replacement part engineered for high efficiency commercial gas water heaters, specifically the BTH, SUF, and HCG series. As a veteran grade spark ignitor assembly, this component ensures precise ignition timing in 300, 400, and 500 MBH models, as well as 200 201 series units. When troubleshooting water heater ignition failure, the 100187881 is the primary solution for restoring