this SPDT NO/NC relay is a standard component for many Intertherm and Miller furnaces

What causes a "Pressure Switch Failed Open" error

What is the primary function of a 40-micron filter in the suction line

it is rated for a 100 Amp continuous load and can manage 400 Amp inrush currents

Conbraco 10-606-10 Relief Valve THPU32HP7Y this SPDT NO/NC relay isThe Conbraco 10 606 10 Relief Valve is a high capacity safety solution engineered specifically for hot water heating boilers and large scale hydronic systems. Featuring a 1 1 4" Female NPT inlet and a 1 1 4" Female NPT outlet, this ASME Section IV certified valve is factory set at 50 PSI to provide critical overpressure protection. With a substantial 3,384,000 BTU capacity, it manages high output systems by utilizing a silicone seat and a diaphragm