Select an option...GV4000 For Plastic Tanks, 2″ BSP C/W Fitted Flange & Nut (+£6.60)GV4300 For Steel Tanks, 2″ BSP Parallel threaded body
Standard Bottom Outlet
Bottom Outlet With Watchman Gauge (+£173.46)
Top outlet (+£91.27)
Top Outlet with Watchman Gauge (+£264.72)
Please see full delivery options
Overfill Prevention Valve for plastic and steel Oil Tanks.
Uses to ensure that during a tank fill-up the delivery of fuel will not overfill the tank. The valve closes when the tank reaches its full level.
Available in 2 models: For steel tanks with an existing 2″ BSP female thread or with a flange and back-nut for plastic tanks and tanks without the threaded fitting. The flanged valve will require a 62mm diameter hole in the tank and a large enough inspection hatch to allow the valve to be inserted from within the tank.
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