or the diagnostic LED on the control board flashing a "Pressure Switch Stuck Open" or "Closed" error code

This fitting is manufactured from high-grade UNS C12200 wrot copper

this 120Vac spring return actuator ensures a reliable normally open fail-safe position during power loss

downstream of the evaporator coil and heat exchanger but before the bypass duct or any zone dampers

BASO H91BA-7 Gas Valve Els PW 17895 or the diagnostic LED onThe BASO H91BA 7 is a heavy duty, 120Vac automatic gas valve designed for consistent pilot gas flow control in commercial and residential heating systems. Featuring 1 4" NPT inlet and outlet connections, this solenoid actuated valve handles both Natural Gas and Liquid Propane (LP) applications with a maximum pressure rating of 0. 5 PSI. The unit is engineered for reliability in high cycle environments, providing a 100,000 BTU hr capacity. This