ANVILFIELD
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Field glossary

Reversing valve

Four-way valve that reverses refrigerant flow to switch a heat pump between heating, cooling, and defrost

Used across 3 Anvilfield field guides, most in HVAC.

Also defined as

  • The valve that flips a heat pump between cooling and heating

Where this shows up

HVACReversing valve and defrost field guideHVACHeat pump fundamentals field guideHVACSplit-system install field guide

Related terms

A2LAuxiliary / emergency heatBalance pointCOPEquivalent lengthMCA / MOCPMicronSEER2 / HSPF2

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