Weil McLain 633-900-130 Residential Thermostat Refrigerant System Reliability: Minimizes thermocouple dropouts
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Description
Weil McLain 633 900 130 Residential Thermostat Refrigerant System Reliability: Minimizes thermocouple dropouts System Reliability: Minimizes thermocouple dropouts and ignition delays by providing a steady heat source for the flame sensor reliable installation that restores system efficiency and meets original equipment manufacturer specifications for sound levels and stability in demanding environments