U.S. federal trademark · Serial No. 71692108 · Reg. No. 0632512
WATER MIXING VALVES, CHECK VALVES PRESSURE ACTUATED TO CLOSE AND GRAVITY ACTUATED TO OPEN, AIR CHARGER AND TANK DRAINER VALVES, VALVES FOR USE WITH WATER HEATING COILS ARRANGED TO REVERSE THE FLOW THROUGH AND BACKWASH THE COILS WHEN A FAUCET IS OPENED, BOILER AND EXPANSION TANK FITTINGS FOR HOT WATER HEATING SYSTEMS EACH INCLUDING SEPARATE AIR AND WATER PASSAGES, TANK HANGERS, RELIEF VALVE STRAINERS, OIL STRAINERS FOR STRAINING QUENCHING OIL, AND COMBINATION UNITS FOR HOT WATER HEATING SYSTEMS INCLUDING A PRESSURE REDUCING VALVE, A PRESSURE RELIEF VALVE AND A SAFETY HIGH LIMIT SWITCH CONDITIONED TO SUPPLY COLD WATER TO THE SYSTEM UNDER STATED CONDITIONS
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