Description
The Watts 0121327 3/4” Pressure Relief Valve or model LF3L is a safety valve that is used to prevent plumbing and HVAC systems from over-pressure. This pat is a type of solenoid valve that is closed most of the time but opens when pressure in the system rises above its set pressure of 100 PSI. Its inlet connection is 3/4” MNPT while the outlet connection is 3/4” FNPT, can easily be fitted on plumbing systems. In other words, the valve is a pressure relief system that comes into operation when the pressure in the system increases beyond the standard 100 PSI, the force of the pressure counteracts the spring force in the valve and causes it to pop open.
