What is the difference between a single pole (1-pole) and a double pole (2-pole) thermostat

the FLG0258 ensures the structural integrity of the high-side liquid line and low-side vapor connections

the V-6135 series is designed strictly for switching flow between lines and does not provide an integrated exhaust function

but it will work with any high-quality 750mV millivolt generator

Advanced Diagnostics: Features on-board LED indicators to streamline field troubleshooting and reduce diagnostic time

Kunkle Valve 0537-G01-HM0125 Relief Valve 30067439-890 What is the difference betweenThe Kunkle Valve 0537 G01 HM0125 is a high capacity ASME Section IV relief valve designed specifically for low pressure steam and hot water boiler applications. Featuring a 1 1 2" Female NPT inlet and a 2" Female NPT outlet, this bronze safety relief valve is factory set at 125 PSI with a rated discharge capacity of 11,163 lb h (11,163,323 BTU h). Engineered for demanding contractor environments, it utilizes an extra heavy construction with a B584