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Quarter-turn ball valves: Equipped with standard tee handles for positive shutoff during backflow testing or maintenance
simplifying hardware upgrades without requiring major mounting modifications
calibrated to trip at a fixed threshold of 144°C (291°F)
Bypassing a safety limit is never recommended for permanent operation
secondary drain pans
Wayne Combustion 21819-SER Motor 321042-401 Quarter-turn ball valves: Equipped withWayne Combustion 21819 SER Motor 1 2 HP 120 230V 50 60Hz is an OEM burner motor engineered for compatible Wayne combustion systems requiring dependable airflow and combustion performance. This dual voltage motor is commonly used in oil burner assemblies where stable RPM operation and consistent torque are necessary for reliable fuel combustion and burner startup. Designed for both 50Hz and 60Hz applications, the motor supports flexible installation