While designed specifically for the Johnson Controls M91xx and M92xx series

While it excels in many gas services

It is commonly used by technicians during maintenance or repair when addressing high-temperature faults or failed safety controls

this genuine Utica boiler part restores the manufacturer's specified firing rate and safety parameters

Its oval 370 VAC configuration makes it a preferred choice for HVAC contractors seeking a reliable aftermarket replacement for MARS 12157 or Titan HD POCD6010A

Hydrotherm BM-7197 Diaphragm Package Els PW 17895 While designed specifically for theUpgrade your fleet maintenance inventory with the Hydrotherm BM 7197 Replacement Diaphragm Package, a critical component for servicing high efficiency hydronic heating systems. This 21 piece diaphragm kit is engineered specifically for Hydrotherm boiler repair, providing a direct fit solution that ensures precise pressure regulation and gas flow control. As a veteran technician, you know that a ruptured or inelastic diaphragm leads to inconsistent