Use a manometer to verify if the draft exceeds the -

Broad Compatibility: Specifically designed for 1-1/4 to 2 inch Watts 009 reduced pressure zone assemblies

this component is fully backward compatible with 370V applications

and temperatures up to 230°F

The H91RS-2 is an automatic solenoid valve

Williams P626765 Motor 340793-762 Use a manometer to verifyThe Williams P626765 Motor is a high performance, 4 speed blower motor engineered specifically for technical compatibility with Williams fan coil units and air handler systems. Operating at 277V single phase, this 1 15 HP motor delivers a consistent 1100 RPM rotation speed, providing technicians with the versatile airflow control required for precise HVAC balancing. Built with a compact and rugged frame, the P626765 serves as a direct OEM replacement