Direct Replacement: Replaces legacy part 9006603005 for faster service calls and reduced downtime

Key Benefits Optimized Combustion: Adjusts the air-to-fuel ratio to match lower atmospheric pressure for efficient heating

moisture in the electrical terminals

this part is specifically designed for Direct Vent Furnaces

Operating at a standard 25V control voltage (50/60Hz) with 0

Kunkle Valve 0537-D01-HM0060 Valve 322057-301 Direct Replacement: Replaces legacy partThe Kunkle Valve 0537 D01 HM0060 is a high capacity ASME Section IV pressure relief valve engineered specifically for low pressure hot water boilers, heat exchangers, and steam generators. This industrial safety valve features a 3 4" female NPT inlet and a 1" female NPT side outlet, providing a robust 60 PSI set pressure. Built with a bronze B584 alloy 84400 seat and a durable stainless steel spring, this model is designed to sustain performance in