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using this direct OEM part eliminates mounting footprint issues often found with universal alternatives
Reliable SPST Logic: Simplified normally open (NO) design provides clear continuity signaling for rapid diagnostics
If the board detects the switch closed before the inducer starts
supporting line voltage
Weil McLain 383-500-085 Burner Replacement Kit Refrigerant using this direct OEM partThe Weil McLain 383 500 085 Burner Replacement Kit is a critical service component for maintaining the combustion efficiency of Ultra Gas Boiler models, specifically engineered for the Ultra 155 Series 1 and 2. As a veteran grade OEM boiler part, this kit addresses common combustion issues such as burner degradation, inconsistent flame signals, and carbon buildup that can lead to lockout codes. This boiler burner assembly is compatible with both