Flow control valve stuck closed?? - boiler flow check valve
ES150 is a surface mounted electric strike suitable for use with rim or surface type dead latches. This strike is easy to install and can be simply controlled by a keypad, keyswitch or integrated into any access control system.
WattsReduced Pressure Backflow Preventer
This series protects against high-hazard (toxic) fluids in water services to industrial plants, hospitals, mortuaries, and chemical plants. Applications extend to irrigation systems, boiler feed, water lines, and other installations requiring maximum protection.
Febco reduced pressure backflow preventerprice
The Series 825Y Reduced Pressure Zone assemblies feature a flood sensor with SentryPlus Alert® technology. This advanced feature is activated through an add-on connection kit, allowing it to detect excessive water discharges from the relief valve. It can trigger the alert system, sending a notification of flood detection to facility personnel. With this technology, you can rest easy knowing that potential floods are detected and addressed promptly. Connection kits are available for BMS and cellular communication.
ES150 offers high levels of security and features usually provided by more expensive electric locking solutions. The electric strike can be easily installed on steel and wooden door frames. A Weather resistant version is also available for exterior applications.