Optimized Construction: Durable enclosed disc face and SPST configuration for consistent electrical performance at 120/230V

this heavy-duty unit features a 24Vac power open/power closed actuator with integrated end switches for precise feedback and system sequencing

For 24V secondary circuits

Built with a high-grade aluminum body and NBR seals

Designed for HVAC furnace maintenance and industrial process heating

Kunkle Valve 0537-E01-HM0100 Valve Refrigerant Optimized Construction: Durable enclosed discThe Kunkle Valve 0537 E01 HM0100 is an industrial grade ASME Section IV steam relief valve designed specifically for low pressure hot water heating boilers, heat exchangers, and steam generators. Engineered for high capacity discharge, this valve features a 1" Female NPT inlet and a 1 1 4" Female NPT outlet, factory set at 100 PSI. The internal B584 alloy 8440 bronze seat and durable SST spring material ensure consistent set point accuracy and