Weil McLain 633-900-130 Residential Thermostat Refrigerant Constant Duty Performance: Specifically designed
Baker’s notes & crumb story
Description
Weil McLain 633 900 130 Residential Thermostat Refrigerant Constant Duty Performance: Specifically designed Constant Duty Performance: Specifically designed for intermittent and continuous ignition cycles without overheating System Reliability: Minimizes thermocouple dropouts and ignition delays by providing a steady heat source for the flame sensor