York S1-363-93501-000 Drain Pan Els PW 17895 It is standard field practice
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Description
York S1 363 93501 000 Drain Pan Els PW 17895 It is standard field practice It is standard field practice to replace the insert when the pressure drop reaches 1 kPa (10 mbar) or at least once per year during routine gas system maintenance or if the internal relay fails to switch the reversing valve and outdoor fan during a forced defrost