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The Carrier HH57ZC005 is an enthalpy switch for HVAC systems. It regulates enthalpy levels and controls components per set parameters. The switch uses a ten amp one contact relay powered by twenty-four VAC for operating external devices. The design features a plastic square case.
This enthalpy switch is essential for maintaining HVAC efficiency.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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