Our AD52 low-level and high-level control switches can be used to control and monitor the fluid levels within a water tank, and are also supplied with the brass connector. Furthermore, our equilibrium ball valves, are made from brass, with a copper float, and can be supplied with adjustable drop arms if required. This allows for the valve to be fitted in a raised ball valve housing, used in conjunction with screened spillover weirs to provide CAT 5, Type AB airgaps.

Suitable to control and monitor the fluid levels in our tanks.
1 ¼” Threaded male connection.
Supplied with suitable 1 ¼” Brass BSP connector.


Laminated PVC Pipe complete with a galvanised backing ring.
Sizes are available from 1″ upto 12″.


These valves are WRAS approved. Manufactured in brass with a copper float, available with adjustable drop arms to enable the valve to be fitted in a raised ball valve housing used in conjunction with screened spillover weirs to provide CAT 5, Type AB airgaps where required.
Valve sizes available:- ½”, ¾”, 1″, 1¼”, 1½”, 2″, 2½”, 3″ & 4″
Supplied Solid Brass with Threaded tank connector, float and Drop arm.

Available in a variety of sizes as listed below.
Pictured Right.
15mm 1/2″
28mm 1″
35mm 1 1/4″
42mm 1 1/2″
54mm 2″
60mm 2 1/4″
67mm 2 1/2″
75mm 3″