The SCS Low Pressure 1/2" Brass Ballcock with Brass Backnut - 10" Arm contains a 3/8'' Low pressure jet with a maximum operating pressure of 40 PSI. This is used for filling water tanks, but is primarily used where a high volume of water is required such as agricultural drinking troughs. The low pressure ballcock allows the troughs to fill up to 8 times faster than the high pressure alternative. It is fitted with a float and as the float rises the valve shuts off.

• Low pressure jet for a faster flow
• 2" tail suitable for plastic and metal tanks
• Primarily used in agricultural drinking troughs
• Fitted with a float