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Float Control Valves

Please choose a Water-Boy® Float Control Valve: 50590085
No. 51 Float Control Valve - No. 51-F Valve with 10ft. 1/4 in. OD Plastic Tubing and Saddle Valve
No. 51 Float Control Valve
(plastic float)
No. 51-F Valve with
10 ft. 1/4 in. O.D. Plastic Tubing
and Saddle Valve

No. 52 Float Control Valve - No. 52-F Valve with 10ft. 1/4in. OD Plastic Tubing and Saddle Valve
No. 52 Float Control Valve
(plastic float)
No. 52-F Valve with
10 ft. 1/4 in. O.D. Plastic Tubing
and Saddle Valve

No. 53 Float Control Valve - No. 53-F Valve with 10ft. 1/4 in. OD Plastic Tubing and Saddle Valve
No. 53 Float Control Valve
(plastic float)
No. 53-F Valve with
10 ft. 1/4 in. O.D. Plastic Tubing
and Saddle Valve

No. 59 Float Control Valve - No. 59-F Valve with 10ft. 1/4 in. OD Plastic Tubing and Saddle Valve
No. 59 Float Control Valve
(plastic float)
No. 59-F Valve with
10 ft. 1/4 in. O.D. Plastic Tubing
and Saddle Valve



No. 50 Water-Boy® SERIES

The No. 50 Series Float Control Valves are precision designed to fill requirements for humidifying units, pan fillers, air conditioning equipment, evaporative coolers and other applications where dependable water level control is essential in limited space to meet various operating conditions.

The No. 51 * Water-Boy® Float Control Valve. Only 5 3/4" long overall, including float which is 2 1/8" diameter by 1 1/4" deep. Valve body is made of hex-brass rod with removable, raised, hard nylon valve seat. Valve stem is brass with an incased heat and oil resistant special Silicone washer. Valve seat is protected with a 100 mesh Monel metal screen. Valve body is fitted with two 1/4" I.P. locknuts for horizontal mounting securely in 9/16" hole or valve may be screwed directly into tapped opening. Supply is equipped with union coupling for 1/4" O.D. Copper tubing. Working pressures up to 125 Ibs. with a capacity of 1/2 gallon per minute at 50 Ibs. pressure.

The No. 52* High-Duty Float Control Valve. Same general construction as No. 51 except with red brass float designed for use where a larger volume of water is required. Capacity 1 gallon per minute at 50 Ibs. pressure, with working pressure to 125 Ibs. Overall length 8" with oversized float 1-1 1/2" diameter by 4 1 18" long.

The No. 53* High-Duty Float Control Valve. Same general construction as No. 52 except valve is vertically mounted with special bracket as integral part for mounting on reservoir or pan, well above water line. Only 6 1/2" long. Non-back-siphoning when installed according to instructions.

The No. 59* Water-Boy® Float Control Valve. Same general construction as No. 51 valve, except valve is vertically mounted with special bracket as integral part for mounting on reservoir or pan, well above water line. Non-back-siphoning where installed according to instructions. Only 5" long.

*NOTE: Nos. 51, 52, 53 and 59 can be furnished with a 3/8" I.P.T. male connection at additional cost, when specified on order.



No. 5900 Water-Boy® Float Control Valve with Reservoir

A small replacement, compact float valve and reservoir consisting of No. 59 float valve and solid one-piece, deep drawn brass reservoir with cover. Reservoir is 2 1/2" x 2 1/2" x 6" with 5/16" bottom connection.

Valve comes completely assembled with bracket as integral part ready for mounting. Made entirely of brass with removable, raised, hard nylon valve seat. Valve stem is brass with incased heat and oil resistant special Silicone washer. Valve seat is protected with a 100 mesh Monel screen. Designed for service under all water conditions.

No. 5900 Water-Boy Float Control Valve and Reservoir
No. 5900 Water-Boy Float Control Valve and Reservoir. (Shown)
No. 5900-F Water-Boy Float Control Valve, Reservoir with 10 ft. 1/4 in. O.D. Plastic Tubing and Saddle Valve. (Not Illustrated)
No. 5913P. Same as Model 5900 except molded from polycarbonate (Lexan®) for commercial automatic ice maker applications.
No. 5913P. Same as Model 5900 except Molded from Polycarbonate (Lexan®) for Commercial Automatic Ice Maker Applications.




No. 85 Feeder
No. 85 Feeder



No. 85 Water-Boy® Safety Feeder

A dependable water-line control valve for air conditioning systems, steam tables, sterilizers and coffee urns. Shell with brazed pipe connections is drawn from heavy sheet brass. Valve has raised seat, with heat and oil resistant Silicone washer. Valve and float are mounted on removable bonnet for cleaning or replacement. Feeder is 2 1/4" in diameter by 6 1/2" long. Flow capacity 2 1/2 pints per minute at 20 Ibs. pressure, 3 3/4 pints per minute at 50 Ibs. pressure and 5 1/4 pints per minute at 75 Ibs. pressure.
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