Robust Environmentals: Hardened against high-moisture conditions with a 95% non-condensing relative humidity rating and a cold-weather start capability of -40°F

Industrial Durability: Constructed with a rugged cast iron frame to provide maximum rigidity and structural stability under high-torque conditions

Optimized for Nordyne 917342 specifications to maintain high-efficiency airflow patterns

this is a safety relief device designed for emergency overpressure protection only

also identified by model number FS4-15SS

Hydrotherm 03-7118 Burner 319852-301 Robust Environmentals: Hardened against high-moistureThe Hydrotherm 03 7118 Stainless Steel Burner with integrated pilot bracket is a critical replacement component engineered for high efficiency gas fired boilers. Specifically designed for Hydrotherm HI B and ID A models, this burner also serves as a direct cross reference for the Hydrotherm 03 7117, providing a seamless fit for legacy R series and MR series units including the R 180C, R 250C, and MR 300B. Constructed from high grade stainless steel,