The unit must be fully seated into the crankcase well to ensure the 4

Universal Compatibility: Interchanges with Honeywell Q337

ensuring reliable movement of dampers even in systems with higher static pressure

Stem Extension

Emerson Alco 034803 Power Assembly 30067439-890 The unit must be fullyThe Emerson Alco 034803 (Model XB 1019A 1B) is a high performance thermal expansion valve power assembly engineered for demanding liquid injection applications. Designed for use with technical and misc. refrigerants, this stainless steel TXV power element integrates a 1 4" SAE Flare equalizer to ensure precise superheat control and system stability. The 5 foot capillary tube provides the necessary reach for flexible remote bulb placement, while the