Use a calibrated manometer during commissioning to ensure the A

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If you notice the furnace is short-cycling or the blower fan runs continuously while the burner remains off

The 3/4" MNPT connection ensures a drop-in fit for these legacy models

Carrier EA52PH049 Piston 326010-701 Use a calibrated manometer duringThe Carrier EA52PH049 Piston is a precision engineered fixed orifice metering device designed to regulate refrigerant flow within the evaporator coil of Carrier, Bryant, and Payne systems. Featuring a critical 1. 249mm internal orifice diameter, this component is essential for maintaining the specific pressure drop required for efficient phase change and heat absorption. For contractors performing a piston to TXV conversion or replacing a fouled