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See more images HMI Hoyme Manufacturing Inc. Motorized Fresh Air Damper for Combustion - 8" SF1 for One Heating Appliance : Here
HMI Hoyme Manufacturing Inc. Motorized Fresh Air Damper for Combustion - 8" SF1 for One Heating Appliance
HMI Hoyme Manufacturing Inc. Motorized Fresh Air Damper for Combustion - 8" SF1 for One Heating Appliance
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Product Details
- Amazon Sales Rank: #568775 in Home
- Size: 8" Diameter.
- Brand: Hoyme
- Model: HOM 0811 SF1
- Dimensions: 15.50" h x 9.50" w x 11.00" l, 5.00 pounds
Features
- Simple to install, attaches to the terminating end of insulated air supply duct.
- Interlocks with the safety control system of gas, propane and oil-fired appliances.
- Certified as required by National Gas Codes; fail-safe open, power closed.
- Durable, patented HMI 'spring motor drive' with nylon bearings.
- Standard connection to 24VAC thermo/aqua-stat circuits.
- Simple to install, attaches to the terminating end of insulated air supply duct.
- Interlocks with the safety control system of gas, propane and oil-fired appliances.
- Certified as required by National Gas Codes; fail-safe open, power closed.
- Durable, patented HMI 'spring motor drive' with nylon bearings.
- Standard connection to 24VAC thermo/aqua-stat circuits.
Product Description
The COMBUSTION FRESH AIR DAMPER, Series 'HOM' is motorized and used for the control of fresh air for combustion. It is patented and Code Certified to be field installed and interlocked with a thermostat of a furnace or aquastat of a boiler, using either oil, propane or natural gas. The damper is placed at the terminating end of an insulated fresh air inlet duct beside the furnace. When the thermostat asks for heat, this motorized damper opens to allow fresh air for complete combustion. When the furnace stops, the damper closes to prevent the entry of unnecessary cold air. This results in added comfort with a definite saving of fuel. HMI HOYME dampers and accessories are internationally certified by the Canadian Standards Association (CSA) to include both the United States and Canada.
Customer Reviews
Most helpful customer reviews
1 of 1 people found the following review helpful.
excellent device for increasing comfort and efficiency!
By JBF
I posted pictures of the damper connected to our new Crown steam boiler. HVAC installers have verified with a small device the is inserted in the flue pipe just as it leaves the boiler that it has excellent draft yet, our house now has no draft down into the basement, so we have installed a basement door and a door to the boiler room that this house was lacking. The new boiler produces efficient and rapid steam to supply our full home of radiators. I expect the device to pay for itself in increased efficiency of closing off the outside air when the boiler is not running.
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