Zonefirst OAS Air Sensor the York S1-025-29041-006 may be
Platform notes & fabric story
Description
Zonefirst OAS Air Sensor the York S1 025 29041 006 may be the York S1 025 29041 006 may be stuck open or out of calibration Utilizing the AV 420 actuator linkage during valve body replacements or actuator upgrades eliminates the guesswork in stem height adjustments for 2 way and 3 way mixing or diverting configurations