Philmac Air Release Valves Model:PHILMAC 1" (25MM) POLY AIR RELEASE VALVE full circle

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we suggest a single station node for each sensor or using the sensor in the most driest soil area of the garden or turf

This premium grade garden hose is favoured by the nursery industry and is very kink resistant

On start up the system needs to expel air from the pipe in order to operate effectively and a valve like this one can allow this to happen quickly and help prevent air locks in the system

Philmac Air Release Valves Model:PHILMAC 1" (25MM) POLY AIR RELEASE VALVE full circlePhilmac 1" Poly Air Release Valve to release air from a pipe. When the pressure inside the pipe drops and water is no longer being pumped through the pipe the plunger inside the valve will drop and allow air into the pipe. This can be useful to stop pipes from collapsing where water is draining out of a sprinkler at a low point in the system and no other provision is made to allow air into the system. On start up the system needs to expel air from the