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EfficiencyMax Furnace Backup Intake Damper

A spare tire for your furnace.

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EfficiencyMax Furnace Backup Intake Damper

P/N FM 2010 · Formerly FlameMeister

$44.95

U.S.: $44.95, free shipping.

Keeps the heat on when debris or snow or ice blocks the intake
Fits a 2" tee or a 3"×3"×2" reducing tee · vertical or horizontal
For 90%+ two-pipe gas furnaces and boilers
Damper only. Get the tee and cement locally (QR parts list)
Patented: US 8,939,141 · CA 2845805

Buy now — $44.95 Shipping to Canada? Order here ($44.95 USD + $20 shipping)

Cheaper than the first hour of a no-heat call.

Unused product can be returned within 14 days.

Shipping to Canada

Canada: $44.95 USD + flat $20 shipping; Canadian taxes and import fees may be due on delivery.

Order for Canada — $44.95 USD + $20 shipping

The EfficiencyMax damper face, the part included in the package. — This is the product.

Back of the FlameMeister-CAM package, P/N FM 2010, showing the official install diagram for horizontal and vertical intake locations. — As shipped in the package.