This 50VA boiler transformer provides a stable 24VAC secondary output

and 277V AC

utilizing this OEM-spec diaphragm is critical for restoring original sequence timing and closing force

Always verify your relay coil in-rush current does not exceed these parameters during commissioning

making it a critical component for restoring HVACR burner functionality across multiple OEM gas furnace platforms

York S1-SV-168770 Expansion Valve 320735-701 This 50VA boiler transformer providesEnsure precise refrigerant metering with the York S1 SV 168770 Expansion Valve, a critical OEM component designed for high performance HVACR systems. This thermal expansion valve (TXV) utilizes balance port technology to maintain optimal superheat across varying load conditions, preventing liquid slugging and ensuring compressor longevity. Featuring 5x7x2 ODF (Outer Diameter Flare) connections and a 5 foot capillary tube, the S1 SV 168770 is