The ball-bearing design and Drip Proof Air Over (DPAO) enclosure are designed for continuous duty (S1)

ensuring the valve remains clear for emergency operation

This 2-way pilot-operated valve features 5/8" ODF extended copper connections

Installation Versatility: Features Rotolock valves for quick

often caused by coil burnout or high resistance at the contact points

York S1-063-90038-029 Plate R-407A The ball-bearing design and DripMaintaining proper combustion efficiency in York furnaces hinges on the precision of your venting components. The York S1 063 90038 029 Ventor Plate is an OEM furnace replacement part engineered specifically for high efficiency heating systems. Featuring a factory calibrated 1. 719 inch orifice, this plate regulates the static pressure and exhaust flow necessary for reliable inducer motor operation and optimal fuel to air ratios. Using a genuine S1