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Pre-calibrated Accuracy: Opens at 160°F and closes at 130°F
at which point it opens the circuit to protect the compressor and heat exchanger
the DFS-243 airflow proving switch ensures precise fan interlock and heater safety without the risk of field-adjustment errors
making it ideal for heat pump applications where refrigerant flow reverses direction
For contractors managing pneumatic controls
Emerson Alco 054401 Expansion Valve 30067439-890 Pre-calibrated Accuracy: Opens at 160°FThe Emerson Alco 054401, specifically the TCLE 7 1 2 HC, is a heavy duty externally equalized thermal expansion valve designed for 7. 5 ton R22 refrigeration and air conditioning systems. This TXV less flange (VLF) configuration utilizes a take apart design, allowing for field serviceability and orifice replacement without breaking the line set connections. Engineered for medium temperature applications, the power assembly features a 5 foot capillary
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