For low pressure steam boilers with cold water feed

Eliminates necessity to manually add water to the boiler

Eliminates necessity to manually add water to the boiler

Can be used with mechanical or electronic low water Cut Off controls

Quick-change replaceable cartridge valve and strainer

For steam and hot water boilers with cold water feed

Continuous maintenance of minimum safe water level, independent of electrical service

Proportional feed action

Quick hook-up fittings provided

Quick-change replaceable cartridge valve and strainer

Model 47 can be field upgraded with a No. 2 switch to add low water Cut Off function

Flo-Control Valves are Used for Preventing Gravity Flow in Forced Water Systems and to Permit Summer-Winter Operation of Indirect Water Heater

Removable Top Cap Allows Easy Cleaning and Service without Removing Pipe Connections

Manual Operating Position for Vertical Lift Disc to Permit Gravity Circulation

Asbestos-Free Packing and Gasket

Flo-Control Valves are Used for Preventing Gravity Flow in Forced Water Systems and to Permit Summer-Winter Operation of Indirect Water Heater

Removable Top Cap Allows Easy Cleaning and Service without Removing Pipe Connections

Manual Operating Position for Vertical Lift Disc to Permit Gravity Circulation

Asbestos-Free Packing and Gasket

Flo-Control Valves are Used for Preventing Gravity Flow in Forced Water Systems and to Permit Summer-Winter Operation of Indirect Water Heater

Removable Top Cap Allows Easy Cleaning and Service without Removing Pipe Connections

Manual Operating Position for Vertical Lift Disc to Permit Gravity Circulation

Asbestos-Free Packing and Gasket

Flo-Control Valves are Used for Preventing Gravity Flow in Forced Water Systems and to Permit Summer-Winter Operation of Indirect Water Heater

Removable Top Cap Allows Easy Cleaning and Service without Removing Pipe Connections

Manual Operating Position for Vertical Lift Disc to Permit Gravity Circulation

Asbestos-Free Packing and Gasket