Hurst Boiler’s sequenced draft controls consist of heavy carbon steel dampers, fitted at the boiler’s stack outlet and built into the exiting smoke box assembly. The Field Type RC draft control is furnished as standard equipment on many leading brands of oil- or coal-fired heating equipment. On my unit I use the little sliding door on my draft blower to control the intake draft and thats the most use I get from my draft blower. To understand how the barometric damper operates, we need to understand what draft is. Have a over temp zone and it only went on a few times. Central Boiler Outdoor Wood Furnace Door Seal Kit HF60,5648,6048. For units: 2941, 3031, 3041, B2941, and B2941B. Its function is to regulate draft on furnaces, boilers and heaters that use oil as the main source of fuel. One of the most misunderstood components inside a boiler room is the barometric damper, which is used to control the draft inside a boiler. Use with two-wire 24V room thermostats or other low voltage controllers to operate the draft damper on solid fuel furnaces or boilers and other similar light duty applications. It is installed on boilers that use a Category I vent. I too have a new home that is very well insulated. But thats wood heat. We all know when air is heated, it will rise. Manual dampers are … The damper is secured to the outlet using high temperature outboard bearings. It contains an adjustable weight which is manipulated to control the amount of air entering the chimney during combustion. Type RC/BT Draft Control for Wood or Coal Residential Equipment The Field Type RC/BT (Black Tee) draft control is furnished with a Tee pipe section. Here you'll find all the wood boiler parts you need to fix your electrical issues! Specifications. balanced draft control in boilers provided with both fd and idin boilers provided with both fd and id fans it is necessary to maintain the furnace draft at near zero pressure. We have been running the wood boiler without a automatic draft control installed and just keeping an eye on it and its been fine. While installing the draft control I noticed it didnt appear to be in what I would think is the COLD position. Replacement wood circulator draft control damper, part number 23476. Control Signal: 2 Position, SPST; Fail Safe Mode: Spring Return; Run Time (Maximum (sec)): 20 sec It's not the preferred damper method for wood stoves, but it's convenient for those who don't know how a wood stove functions. Two-Position Draft Damper Actuators. The best position to install a barometric damper is in the flue vent between the heater or furnace and the chimney. The Type RC is calibrated to allow for easy adjustment to the furnace or boiler manufacturer’s specifications. Barometric dampers are an automatic damper system that use weight to control the airflow being brought toward your heat source. 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