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Rated for a wide operating temperature range and certified by UL and CSA
Direct replacement option for applicable equipment originally using B1086775S
Enhanced Durability: Mechanical life exceeding 100
How do I configure the A421 for cooling vs
Reznor 46171 Shutter Els PW 17895 Rated for a wide operatingAs a seasoned technician, you understand that achieving the precise stoichiometric ratio is critical for the long term reliability of Reznor XL125 and XL140 unit heaters. This replacement Reznor 46171 Burner Air Shutter is the exact OEM component required to calibrate primary air intake, ensuring a clean, stable flame and preventing the soot accumulation that can degrade heat exchangers. Fabricated from high durability aluminized steel, this die
