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NRB(X) N4) and spring return (TFRB(X)
making it a reliable choice for long-term service cycles
Reliable Fail-Safe Logic: The normally closed spring return ensures the system returns to a safe state during power interruptions
it should read approximately 1
Common Questions Can I use the 952664 TCB with 2500 step valves like the CDST-7
York S1-6HK16502006 Heat Kit 320074-702 NRB(X) N4) and spring returnThe York S1 6HK16502006 Heat Kit is a field installed 20kW electric heat kit designed specifically for integration with compatible York, Luxaire, and Coleman air handlers including AHR, AHE, AHV, and RFCX models. Engineered for 208 230V, single phase (1PH) applications, this assembly features a dual element design providing a robust 20,000 watts of auxiliary or emergency heating. As a genuine OEM replacement part, it ensures precise fitment within the
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