the 100170488 is technically identical to the TST1188 and is the standard replacement part for Lochinvar and A

or a compressor that runs but fails to switch between modes despite the solenoid being energized

this relay is designed for standard single-speed 115V induction motors

This manual changeover thermostat provides reliable control for commercial HVAC systems

Daikin-McQuay 910198405 Valve 321894-706 the 100170488 is technically identicalThe Daikin McQuay 910198405 Reversing Valve is a critical 4 way pilot operated component engineered for 10 ton HVAC systems and heat pump applications. Designed for high capacity thermal management, this 10 ton reversing valve features a 0. 75 inch suction inlet and a 1. 125 inch discharge outlet, ensuring optimal refrigerant flow and pressure drop minimization during cycle transitions. Built to withstand the rigors of commercial Daikin McQuay heat