Navigator Vac Lock Safety Wall Fitting - 1-1/2 Inch MPT - Black inlet-pipe-size_12" 5 inch female National Pipe

5 inch female National Pipe Tapered (NPT) thread (Type F)

Note: the disk must be kept flat between tests so water in the disk from the previous test doesn't migrate into the untested wells

the Flyte-Deck II will provide you years of service

Rola-Chem's Generation II digital controllers automate water chemistry with precision

Navigator Vac Lock Safety Wall Fitting - 1-1/2 Inch MPT - Black inlet-pipe-size_12" 5 inch female National PipeThis is a Hayward W400BBKP Vac Lock Safety Wall Fitting for Navigator Pool Cleaners. The color is Black and the fitting is 1 1 2 inch MPT. Recommended for all pools with a dedicated suction line, the vac lock is a safety device that closes the suction line when the cleaner is not in use. It also holds the hose in place when the cleaner is installed.