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While the 11J31R04091 is specifically designed for Sterling QVF100 and QVEF100 models
protecting the indoor air stream from exhaust gases
eliminating the need for a separate external check valve
It is engineered for 208/230V single-phase applications and features a standard 48-frame diameter with thru-bolt mounting for a secure
Trane ORF0501 Orifice R-407C While the 11J31R04091 is specificallyThe Trane ORF0501 is a precision engineered #44 Standard Fire Orifice designed specifically for compatible Trane furnace models and gas heating systems. As a critical combustion component, this brass orifice regulates the essential fuel flow to the burner assembly, ensuring the correct gas to air mixture for stable ignition and consistent thermal output. Measuring approximately 5. 7 inches in length, this OEM replacement part provides the exact
US$ 90.00
US$ 120.00
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US$ 170.00