use the ZG-DC2

this stepper motor-driven valve provides linear flow characteristics and a wide capacity range

poly tubing used in HVAC controls

ensure you verify the 1HP rating and part number to match the York OEM blower assembly specifications and maintain system integrity

Watts F275600 Valve 322027-701 use the ZG-DC2The Watts F275600 (Series 174A M1) is a heavy duty ASME Section IV pressure relief valve engineered for forced circulation hot water heating boilers and domestic supply systems. Featuring a 1 1 4 inch NPT female inlet and outlet, this bronze body relief valve is factory set at 30 PSI with a high capacity steam discharge rating of 1,682,000 BTU hr. Designed specifically for professional contractors, the 174A series utilizes a non mechanical seat to