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Proper HVAC high pressure limit calibration at 440 PSI ensures your equipment operates within its intended design parameters while mitigating terminal damage to the refrigerant circuit
and other non-corrosive technical gases typically handled by the Model 243 series
mitigating the risk of bearing washout or mechanical failure in demanding commercial environments
Matching Consistency: Meets RMA standards for size uniformity
Supco 90290 Relay 318518-761 Proper HVAC high pressure limitThe Supco 90290 Relay is a heavy duty, general purpose 24V N O SPST relay engineered for reliable switching in HVACR and industrial control circuits. Built for high cycling applications, this SPST fan relay features a 24 VAC coil and single pole, normally open contacts, making it a professional grade solution for managing HVAC blower motor operation and automated equipment sequences. With a contact rating of 8 FLA 18 LRA and a 50 60 Hz frequency
