Copeland Comfort Control (Alco) 023357 Power Assembly

The Copeland Comfort Control (Alco) 023357 Power Assembly is a professional-grade ZZ-Series TXV replacement engineered for precise refrigerant metering in R22 refrigeration systems. This heavy-duty thermal expansion valve power element, cross-referenced as model XC-726HW85-3B, provides the essential force required to modulate the valve pin for stable superheat control. It features a robust 15-foot capillary tube, offering the reach necessary for remote bulb mounting in complex evaporator configurations. The 1/4" SAE flare external equalizer (EE) ensures accurate pressure sensing at the evaporator outlet, compensating for pressure drops across the coil. Built to handle the demands of commercial HVACR maintenance, this assembly includes the required bulb clamps for secure thermal contact, ensuring responsive performance during load fluctuations in legacy system service and repair.

Key Benefits:

• R22 System Stability: Specifically calibrated for HCFC-22 applications to maintain consistent evaporator efficiency.
• Extended Installation Range: The 15-foot capillary length allows for flexible positioning in large-scale commercial air handlers and walk-in coolers.
• Reliable Pressure Compensation: The 1/4" flare external equalizer eliminates inaccurate superheat readings caused by internal pressure drops.
• Field-Proven Durability: The Alco ZZ-Series construction is a standard for reliability in high-cycle commercial refrigeration environments.

Common Questions:

Which TXV bodies are compatible with the 023357 power assembly?
This power element is designed for use with the Alco ZZ-Series take-apart expansion valves. It is a direct fit for valve bodies requiring a ZZ-Series power assembly with an external equalizer connection.

Can this be used with R-407C dry-charge systems?
While R-407C has similar pressure-temperature characteristics to R22, this assembly is specifically designated for R22 refrigerant. Always verify the superheat curve and charging specifications before field-adapting to alternative refrigerants.

Why is the 15-foot capillary tube necessary?
The extended length is critical for systems where the TXV body and the suction line sensing point are far apart. It prevents tight bends and strain on the capillary, which can lead to premature failure of the sensing charge.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.