SP PoolQuip Davey Spa-Quip Full Flow 1 way 40mm valve. Originally came with blue, red, or black handles and sometimes a gray top.

Internals can be used to replace old broken or leaking valves.

These have been sold as many different brands and colours but use the same mouldings.

Plumbing – The check valve body is designed to fit 50mm pressure pipe. Ensure that no glue enters the valve body to avoid destroying the seal.

Maintenance – The transparent lid allows inspection of water flow to check for any debris that may be lodged in the valve seal. To service the valve, unscrew the locking ring and remove the assembly. Lubricate with silicone lubricant only. Avoid overtightening the locking ring.

Check valve location – Position the valve so there is 600mm in front of the pump to allow sufficient head of water to keep the flap closed when pump is turned off.

Specifications (Approx):

• Pipe: 40mm Pressure PVC (~48.5mm)
• Overall Width: ~165mm
  
• Overall Height: ~115mm
• Locking Nut Width/Diameter: ~108mm