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The relay is designed for a 20 Psig main air supply
preventing the burner from cutting out prematurely during a hot water call
What is the standard length of this cable
It is a direct fit for various beverage dispensers and specialized HVACR equipment requiring reliable ice builder controls
atmospheric steam that is distributed through your ductwork
Siemens Combustion QRI2B2.B180B1 Flame Detector 320074-702 The relay is designed forThe Siemens QRI2B2. B180B1 is a high sensitivity infrared flame detector designed for the supervision of gas, oil, or coal flames in large scale industrial or commercial burner systems. Engineered for lateral (side viewing) illumination, it features a 90 degree light entry path, making it the standard choice for specific burner mounting configurations where frontal line of sight is obstructed. This self checking sensor operates within a 1 to 3 m
US$ 21.95
US$ 21.95
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US$ 70.00