Trane VAL19557 Reversing Valve 30067439-890 This model features a regulation

This model features a regulation range of 6 to 73 psig (0

this 120V two-position zone valve is an essential retrofit zone valve solution for direct replacement in HVAC fan coil and baseboard applications

Professionals in the field recognize the Watts 0386421 (Model TB1156F) as a high-capacity industry standard for hydronic heating systems

Critical Safety Seal: Maintains the pressure boundary between the float chamber and the head mechanism to ensure reliable LWCO operation

This 24V heat sequencer

Trane VAL19557 Reversing Valve 30067439-890 This model features a regulationThe Trane VAL19557 Reversing Valve is a critical 4 way heat pump component engineered to manage refrigerant flow direction between heating and cooling cycles. This OEM Trane replacement part features a precise . 500 OD (1 2 inch) connection size on the discharge suction ports, ensuring a streamlined fit for residential and light commercial units. Designed for high cycle reliability in high pressure systems, the VAL19557 serves as the direct