Hydrotrol Flo Control Valves

107035 Bell & Gossett 3/4" NPT Bronze HydroTrol Flow Valve. The Bell & Gossett 3/4" NPT Bronze HydroTrol Flow Control Valve is used to prevent overheating of zones due to gravity flow in hydronic heating systems and will permit...

The 107038 Bell & Gossett 1-1/4" NPT Bronze HydroTrol Flow Valve is used to prevent overheating of zones due to gravity flow in hydronic heating systems and will permit summer-winter operation of indirect water heater. This Item Usually Ships...

107037  Bell & Gossett Bronze HydroTrol Flow Control Valve 1" NPT. This Item Usually Ships The Same Day!