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

What are the lead wire specifications

Compact Footprint: The 90-degree 1/4" compression fitting allows for easier cable and hose management in cramped enclosures

or insufficient draft

Disconnect the primary and secondary lines

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