Case Study: 937X LINE: MAIN PRODUCT FOR THE HVAC MARKET mic-tec.comIntroduction The 937X component is a safety device to prevent Carbon Monoxide from building up in a home and killing people, by virtue of there being no safe evacuation route. On a cold day in New York for instance, you hit the thermostat and gas injects in to light the flame, but before that all happens, the system needs to ensure there’s no pressure build up that might limit air flow and cause exhaust gas to build up. So, to ensure this is the case, a fan turns on to make sure that no pressure builds up, and that there’s adequate air flow. The 937X is an air proving device, and as a sensor, it ensures that the coast is clear for the gas to release and flame be lit. By nature, this then is a device that cont

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