eliminating the need for external transformers or local power supplies

The Robertshaw 190-067 Metal Guard (also known by model number BTG-54-VLW) is a ruggedized solution for protecting critical wall thermostats from physical damage and unauthorized adjustments

preventing the erratic operation often caused by aging or failing legacy circuit boards

Engineered with a fixed 75°F setpoint

This lightweight Noryl impeller minimizes axial loading on the shaft

Kunkle Valve 0537-E01-HM0125 Valve 326058-755 eliminating the need for externalThe Kunkle Valve 0537 E01 HM0125 is a high capacity ASME Section IV safety relief valve specifically engineered for low pressure hot water boilers, heat exchangers, and generators. Featuring a 1" Female NPT inlet and a 1 1 4" Female NPT outlet, this bronze pressure relief valve is factory set at 125 PSI with a certified flow capacity of 5,263 lb h (5,262,619 BTU h). This model 537 relief valve is National Board certified (HV designator) and utilizes a