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Oil Vent Damper

Oil Vent Dampers, OVD Models

Saves Fuel. Reduces Heating Bills. Improves Efficiency.

The Oil Vent Damper (OVD) system works automatically on an oil heating appliance to save fuel, improve comfort, and keep the heat within the conditioned space. The Field Controls OVD installs in the vent pipe after the draft control and before the chimney and can increase Annual Fuel Utilization Efficiency by up to 2 percent.

OVD models prevent drafts, improve comfort, and reduce heat loss by automatically closing the damper of an oil heating appliance at the end of each heating cycle like a fireplace damper. The average boiler or furnace will use a minimum of 5 percent less fuel. Homes with taller chimneys may save 10 percent or more.

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.

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