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the spring tension is designed to maintain the ideal proximity for radiant heat detection
Reduced Callbacks: Improves troubleshooting accuracy
the 415-45560-00 Flammable Vapor Sensor is a critical OEM component
the 1/2-inch bore is a standard industrial sizing that fits most 48-frame and 56-frame blower motors commonly found in Trane equipment
McDonnell & Miller 349500 Hook-Up 30067439-890 the spring tension is designedThe McDonnell & Miller 349500, also identified by model number SA159 24, is a specialized lower quick hook up fitting engineered for seamless integration with steam boiler safety controls. This critical component serves as a direct replacement part for the McDonnell & Miller Series 47 and 47 2 mechanical water feeders, as well as the Model 64 A, 42A, 67, and 42S A low water cut offs. Designed for professional installation, it enables a reliable
