RMDD4804 | Downdraft with Internal Blower | BROAN-NuTone Contents_Patented Pre-Adjustable Linkage; Cast Brass Shoe Plug; Extra Long Plunger Stroke; Lubricated Cast Brass Plunger; Chrome Plated Stamped Brass Strainer; Heavy Duty; Highly Polished Faceplate Applications: The Armstrong Furnace O-Ring

RMDD4804 Downdraft with Internal Blower BROAN NuTone Contents_Patented Pre Adjustable Linkage; Cast Brass Shoe Plug; Extra Long Plunger Stroke; Lubricated Cast Brass Plunger; Chrome Plated Stamped Brass Strainer; Heavy Duty; Highly Polished Faceplate Applications: The Armstrong Furnace O Ring Applications: The Armstrong Furnace O Ring (R76706100) is specifically designed for use in: Armstrong furnace models Gas fired furnaces Furnaces requiring O ring replacement for optimal performance Choose our HVAC supply store for Your Armstrong Furnace O Ring (R76706100) Needs: our HVAC supply store is your trusted source for a wide range of industrial and HVAC supplies the Xylem Bell & Gossett SHAFT delivers optimal performance