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The McDonnell & Miller 51-HD Mechanism (Part Number 134900) is a heavy-duty mechanical water feeder designed for low pressure steam and hot water boilers
this specific orifice is sized (#33) exclusively for natural gas
such as the relay and capacitor
preventing delayed ignition or flame sensor lockout issues
York S1-073-27198-000 Bearing Support 320788-703 The McDonnell & Miller 51-HDThe York S1 073 27198 000 Bearing Support is a mission critical OEM component engineered for high static blower assemblies within York and Johnson Controls HVAC systems. This HVAC bearing support bracket is fabricated from heavy gauge galvanized steel to provide the structural rigidity necessary for maintaining precise shaft alignment under high RPM loads. Designed as a direct York blower motor assembly part, the S1 073 27198 000 effectively dampens
US$ 175.00
US$ 94.00
US$ 77.99