Field Controls 6" Oil Vent Damper With WMO-1 OVD-6

Field controls 6 oil vent damper with wmo-1 ovd-6 invest in your energy future with the field oil vent damper (ovd) system. it works automatically to save fuel, improve comfort, and keep the heat within the conditioned space. the field ovd installs in the vent pipe after the draft control and before the chimney. it can increase annual fuel utilization efficiency (afue) by up to 2%.made in the usa. by automatically closing the damper at the end of each heating cycle like a fireplace damper, the ovd prevents drafts, improves comfort, and reduces heat loss. the average boiler or furnace will use a minimum of 5% less fuel. homes with taller chimneys may save 10% or more.made in the usa. a seven foot wiring harness is included with a pre-wired wmo-1 blocked vent safety switch. the wmo-1 shuts the oil burner off when a blocked vent condition is detected.install a field controls oil vent damper system on chimney-vented atomizing oil heating appliances.made in the usa.benefits: reduces heating billimproves efficiencyincreases comfortreduces off-cycle heat loss features: blocked vent safety switch includedautomatic power open/power closetwo internal safety switchesflex seal provides self cleaning actionhold open service switchstainless steel constructioncsa listed (listed to ul-17 standard and csa b140.14)