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This is a 3/4" Spigot Plug which measures 1" OD it is used to plug off a 3/4" port which measures 1" ID on a manifold or other fittings.

This Item is a 3/4" Threaded Flow Switch with Housing that is found in Jacuzzi Premium, Sundance Spas and a Few other Brands. The Housing is 3/4" Barb X 3/4" Barb X 3/8" Barb. Note: Some housings don't have the 3/8" Barb if yours doesn't you need to find...

This is a 1" Spigot Plug which measures 1 5/16" OD it is used to plug off a 1" port which measures 1 5/16" ID on a manifold or other fittings. PVC Pipe Fitting Type    PlugFirst Plumbing Connection Size    1"First Plumbing...

This part is a Starter Capacitor that fits many 230V Pump Motors. When diagnosing pumps for a no start condition where it is powered up but just hums you can hand spin start the motor by taking a screw driver to the shaft in the back and spinning it or...

This part is a Bushing Reducer 3/4" Spigot x 1/2" Slip. This part can be glued into a 3/4" Fitting that would measure 1" ID and a 1/2" OD part which would measure 3/4" will glue inside of the bushing.  PVC Pipe Fitting Type Reducer First...

This Filter Cartridge fits Some New Cal Spa and Marquis Spas. It is 12 1/2" Tall x 5 3/16" Wide with 2" Mpt Threads which is a think thread that measures about 2 3/8" outside diameter. The MPT Threads measure between 2 1/4 and 2 3/8" edge to edge. It...

You are Purchasing (1) 3/4" X 1" Barbed Coupler that fits 1" OD , 3/4" ID Clear Hose on one side and 1 1/4" OD , 1" ID on the other side. These are used for connecting Clear Hoses together in Hot Tubs or pools. We have plenty of these. Buy with caution I...

Barb Adapter 3/8" Barb x 1/2" Spigot , The Glue Side glues inside a 1/2" Fitting which would measure 3/4" and a 3/8" ID tube would be glued over the barb.

This item is a 1/4" Air Bleeder Plug with coarse threads that can be found on the old style of a StaRite Dura-Jet DJ Series Wetends only. The head of this plug will break off and leave the threads in the wet end face. You can take a flat screw driver and...

Grundfos Circulating Pump 230V with 1" Barbs... In my opinion this is a better pump than the Laing Brand... Spa Guy. This circ pump will only work in countries that utilize a 60 Hz electric cycle. Note: If you are using this pump to convert from a Laing...

This Listing is for a Waterway Executive 56fr 2 Speed 230V 3 HP 2" X 2" Pump. Your sticker may say 4HP but based on the chart it is really a 3HP at 12 Amps. This unit features a 2" X 2" Executive Wet End that can be moved from the 12 O'clock position...

This part is a (1) 45¡ 2" Slip X 2"Slip PVC Plumbing Fitting. The 45 ELL receives a 2" fitting on each side which would measure 2 3/8". Any 2" fitting (which measures 2 3/8" outside diameter) will glue into this fitting on both sides to make a...