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This is the factory OEM replacement combination gas valve for the Carrier PG8MAA036045AEJA gas furnace. The gas valve is the critical component that controls natural gas flow into the burner assembly. Controlled by a 24V signal from the furnace control board, it opens on a call for heat to allow gas to flow to the burners and closes immediately when the heat demand is satisfied or a safety limit is tripped. When this valve fails, the most common symptom is a complete no-heat condition — the inducer and igniter activate, but no gas flows, causing the control board to lock out after one or two failed ignition attempts. Other failure signs include a stuck-open valve (gas odor with no call for heat) or an out-of-tolerance gas pressure causing weak or unstable flame.
Compatibility: Verified fit for Carrier model PG8MAA036045AEJA gas furnace. Cross-references: 36J24-618, PEF32CW210. Confirm your existing valve's voltage (24V), gas type (natural gas), and inlet/outlet pipe size (1/2" NPT) against your unit's data plate before ordering. Our HVAC parts specialists are available to verify fitment — contact us before you order if you have any questions. In stock and ships today.