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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
a high-precision orange spring designed for industrial and commercial HVAC gas regulators
the S8401-007 is the official updated version provided by Bard to replace the older 8401-007 model without requiring cabinet or wiring modifications
This kit focuses on the integral backflow prevention components
Key Benefits OEM Compatibility: Guaranteed fit for York
Visible leakage around the packing box nut or inconsistent valve positioning typically indicates a worn seal
Armstrong International D24660 Operator Els PW 17895 a high-precision orange spring designedThe Armstrong International D24660, also identified as part number 6005640, is a heavy duty LV 4 Direct Valve Mounted Thermostatic Operator engineered for precise hydronic temperature control. This unit features a high sensitivity liquid filled sensor that provides superior responsiveness to ambient temperature fluctuations compared to standard wax filled alternatives. Designed for seamless integration with Armstrong radiator valves, the D24660
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