Emerson Alco 053764 Power Element

The Emerson Alco 053764 Power Element (Model X26300-HC-1) is a heavy-duty replacement assembly engineered for HF and HFK series thermal expansion valves. Designed for high-performance air conditioning medium temperature charge applications, this stainless steel element provides the consistent superheat control necessary to maintain evaporator efficiency and protect the compressor from liquid slugging. The 5' capillary tube offers sufficient length for versatile bulb mounting, ensuring accurate thermal feedback in various system configurations. This genuine Alco power head is fully compatible with both R22 and R407C refrigerant, making it a reliable choice for retrofitting or maintaining older high-pressure systems. Its stainless steel construction is specifically designed to eliminate corrosion risks and prevent the premature diaphragm failure often seen in harsh mechanical environments. For contractors handling field repairs, this power assembly ensures a precise thermostatic charge to maximize the heat transfer capability of the coil while maintaining stable system pressures.

• Broad Compatibility: Drop-in replacement for HF and HFK series TXV bodies utilizing R22 or R407C refrigerant.
• Corrosion Resistance: High-grade stainless steel power assembly prevents atmospheric corrosion and extends service life in high-moisture environments.
• Installation Flexibility: Integrated 5-foot capillary tube allows for optimal sensing bulb placement on the suction line.
• Optimized Performance: Specifically calibrated for medium temperature A/C applications to ensure accurate superheat regulation.

Is the bulb strapping hardware included with the X26300-HC-1?
Usually, the power element includes the capillary tube and sensing bulb; however, it is standard practice to reuse existing bulb clamps or use copper strapping to ensure high-conductivity thermal contact with the suction header.

Can this power element be used with R-410A systems?
No, this specific HC charge is calibrated for the pressure-temperature curves of R22 and R407C. Using it with R-410A will result in incorrect superheat settings and potential system damage due to higher operating pressures.

What is the primary cause of power element failure in HF series valves?
Most failures result from a loss of the thermostatic charge due to capillary tube vibration rub-through or diaphragm fatigue. Replacing the 053764 power assembly restores the valve to its original operating specifications without needing to brazing in a completely new valve body.

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.