This Pre-wired relay is UL listed for plenum use

This #55 drill size orifice is specifically used for Liquid Propane (LP) conversions where a smaller aperture is required compared to standard Natural Gas orifices to compensate for the higher energy density of LP

Common indicators include the HVAC system failing to start despite a call for heat/cool or intermittent power loss when the blower compartment vibrates

ensuring the precise air-to-fuel ratio necessary for stable ignition and efficient thermal performance in residential and commercial heating systems

Flexible Actuation: Sold without an actuator

Trane VAL19557 Reversing Valve Els PW 17895 This Pre-wired relay is ULThe 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