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This natural gas valve is built for longevity and precision
Simple Integration: Features 7/16" UNS threads and self-aligning ferrules for 1/4" OD rigid tubing connections
The Johnson Controls T-4002-203 is a high-performance direct acting pneumatic thermostat designed for precise temperature regulation in commercial HVAC systems
Quiet Performance: Engineered blade geometry reduces turbulent air noise during high-demand cooling cycles
3-15 Psig Pressure Range
McDonnell & Miller 157S-A Controller Els PW 17895 This natural gas valve isThe McDonnell & Miller 157S A (Part Number 173702) is a heavy duty combination low water cut off and pump controller designed specifically for commercial and industrial steam boiler applications. Featuring a snap acting SPDT switch, this unit ensures precise control over water levels and reliable burner cutout during low water conditions. The 157S A model includes alternate tappings, providing versatile installation options for equalizing pipes and
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