Pay in 4 interest-free payments of $269.06 Learn more
Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Built for constant air-over (CAO) duty
Pre-Calibrated Precision: Each PTC thermistor is calibrated to a standard curve for consistent "plug-and-play" performance
Easy Integration: Features a notched design for verified orientation within the duct detector header
the 0901786A/U ensures a reliable seal under demanding HVAC conditions
Lochinvar & A.O. Smith 100172008 Valve 321142-301 Built for constant air-over (CAO)The Lochinvar & A. O. Smith 100172008 Valve is a critical gas valve assembly engineered for high efficiency hydronic systems, specifically designed for Knight KB and AW series boilers and water heaters manufactured prior to serial I07. This natural gas valve operates on a negative pressure principle, essential for maintaining the precise fuel to air ratio required by modern modulating condensing boilers. By regulating flow to the burner based on
