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Ships within 48 hours · Estimated delivery Sep 18 - Sep 23
Key Benefits Universal Compatibility: Replaces over 550 single-stage HSI controls from major manufacturers including Carrier
it maintains consistent performance across varying media: 0-185 PSI for air
dry control air to prevent diaphragm contamination
providing versatile performance in motor and heater control
Watts 0386463 Valve R-22 Key Benefits Universal Compatibility: ReplacesThe Watts 0386463 (Series 911S M3) is a professional grade 1 2" boiler feed water pressure regulator and backflow preventer combo designed for high demand hydronic heating systems. Engineered for both commercial and residential boiler feed lines, this pre assembled unit combines the Model 9D dual check backflow preventer with the Model 1156F feed water pressure regulator into a single, compact bronze body. This integration simplifies installation and
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