It contains an adjustable weight which is manipulated to control the amount of air entering the chimney during combustion. 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. 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. The Type RC is calibrated to allow for easy adjustment to the furnace or boiler manufacturer’s specifications. Specifications. Here you'll find all the wood boiler parts you need to fix your electrical issues! The damper is secured to the outlet using high temperature outboard bearings. It is installed on boilers that use a Category I vent. 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. Its function is to regulate draft on furnaces, boilers and heaters that use oil as the main source of fuel. Thats why I feel you will be able to control the draft manually with whatever kind of draft control comes with the furance. Replacement wood circulator draft control damper, part number 23476. Manual dampers are … I too have a new home that is very well insulated. The best position to install a barometric damper is in the flue vent between the heater or furnace and the chimney. 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. For units: 2941, 3031, 3041, B2941, and B2941B. Barometric dampers are an automatic damper system that use weight to control the airflow being brought toward your heat source. 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. Designed for settings from .02″ to .08″, this control is so sensitive that instrumentation should be used when adjusting the unit during installation. Have a over temp zone and it only went on a few times. We all know when air is heated, it will rise. But thats wood heat. Control Signal: 2 Position, SPST; Fail Safe Mode: Spring Return; Run Time (Maximum (sec)): 20 sec To understand how the barometric damper operates, we need to understand what draft is. We have been running the wood boiler without a automatic draft control installed and just keeping an eye on it and its been fine. 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. Central Boiler Outdoor Wood Furnace Door Seal Kit HF60,5648,6048. The Field Type RC draft control is furnished as standard equipment on many leading brands of oil- or coal-fired heating equipment. Two-Position Draft Damper Actuators. 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