Always verify your boiler's service manual or part list before installation

High Thermal Stability: Engineered to operate reliably in high-ambient temperature environments common in outdoor condensing units

If the protector is tripping

Automatic Reset Logic: Features a fixed 155-185°F temperature range that eliminates the need for manual intervention after a temporary overheat condition

visible arcing or melting of the plastic housing

Daikin-McQuay 910198401 Reversing Valve Els PW 17895 Always verify your boiler's serviceMaintain peak system performance with the Daikin McQuay 910198401 Reversing Valve, a high reliability component engineered for 4 ton heat pump applications. This OEM HVAC replacement part is the functional successor to the legacy McQuay 910110422, ensuring seamless mechanical integration without requiring extensive manifold modifications. Designed for dual refrigerant compatibility, it handles the high pressure demands of R410A systems while