40mm Union
- Balboa 1.5'' Circ Pump Unions B-2614022 - Spa Spare PartBalboa Circulation (B-1070017) 1.5'' (40mm) Pump Union Set.Sold with tail, nut and O-ring.***Sold Individually - not as a pair*** Learn More$24.00
- Balboa 40mm Blower Union B-42175 - Spa Spare PartBalboa 40mm Blower UnionPart No. B-42175Comes with Nut, Tail and O-ringUsed on Quiet Flow Spa Blowers. Part No. B-8142+0050 and B-8142+0060 Learn More$22.00
- CMP 40mm 2-Way Hydroseal Valve C-25912-154-000 - Spa Spare PartCMP 40mm 2-Way Hydroseal Valve.Hydroseal diverter valves are designed for superior performance with professional features. The valves are easier to use, precise and durable.The dial wheel has 32 different stop settings for perfect control. Each stop can easily be located to always set the diverter… Learn More$45.00
- Aqua-Flo 1.5"(Circ Master) Pump Union and O'ring C-21021-000 - Spa Spare PartAqua-Flo Circmaster 40mm Pump Union and O'ring.Sold with tail, nut and o'ring.***Sold Individually - not as a pair*** Learn More$19.00
- Davey StarFlo 40mm Barrel Union Assy D-33149 - Spa Spare PartDavey StarFlo 40mm Barrel Union Assy Learn More
Available In-Store Only
- Davey Celsior/XS 40mm Bath Pump Union Assy D-31451 - Spa Spare PartDavey Celsior/XS 40mm Pump Union Assy.Comes complete with lock nut, tail, and O'ring.Suits 40mm(1.5") pipe. Learn More
Available In-Store Only
- Davey SureFlo(StarFlo SF) 40mm Barrel Union Assy D-33170 - Spa Spare PartDavey SureFlo(StarFlo SF) 40mm Barrel Union AssyNut, Tail & O'Ring Learn More
Available In-Store Only
- Balboa 40mm GS100 Heater Union Tail B-92153 - Spa Spare PartBalboa 40mm(1 1/2inch) GS100 Heater Union Tail Piece.Takes 40mm pipe and is commonly used on the Balboa GS100 heater elements, can be used on other 40mm heater element models. Learn More$22.00
- Balboa 40mm(1.5") Heater Gasket(O'Ring) B-92155SPA - Spa Spare PartBalboa 40mm Heater Union GasketO'ring has one side with a slightly rounded edge and the otherside a thicker square edge.O'ring is approximately 58mm in diameter, 6mm in total thickness(includng the rounded and rectangular edges) and 2.5mm not including the raised edges. This is commonly used on the… Learn More$18.00
- Hi-Flow Circulation Pump - 1/12hp 50mm Unions G-CM-HIFLOW - Spa Spare PartHigh Flow Circulation Pump.This pump comes with 50mm(2") unions, please do not confuse it with the Circmaster that has 40mm(1.5") unions.Motor details: 1/12hp, 1425RPM and 0.62amps.Commonly used on Sundance and New Signature Spas. Learn More$1,049.00
- 2" Heater Union Threaded Tail with 1.5" Socket HQ-42-0017A-K - Spa Spare Part2"(50mm) Threaded heater union tail, with a 1.5"(40mm Socket)Suits Balboa, Gecko, Hydro-quip and many other style heater tubes. Learn More$22.00
- Extend-All Fitting 1.5" 40mm LE-EAL-1.5 - Spa Spare PartExtend-All Fitting 1.5" 40mmThis extender fitting is design so if you cut off a union or other fitting, you glue this on to the pipe returning the length of pipe back to where is was to glue the new fitting or union on.Suits 40mm pipe only Learn More$22.00
- Spanet Heat Pump Union 40mm SN-HP-MAC40 - Spa Spare PartSpanet Heat Pump Union 40mm Learn More$35.00
- Spanet Heat Pump Union - Thin Thread SN-HP-UNION-THN - Spa Spare PartHeat Pump Union – connects 40mm PVC water pipe from the spa to the heat pump unit.Suited Metal case units that had ‘thin’ thread on heat exchange outlet. Learn More$35.00
- Spanet XS-3C/LX-JA35/Davey QB035 Union Assy SN-XS3C-U - Spa Spare Part40mm Davey/Spanet/LX Pump Union Assy.Comes complete with Locking Nut, Tail and O'ring.Commonly used on Davey, LX and Spanet Circulation and 1.5hp pumps, also used on the TDA and EA pumps and the Spanet XS and LX blowers. Learn More
- SENSAPOOL SF Pump 40mm Barrel Union Set SP-SFU40 - Spa Spare PartSensapool SF Pump 40mm Barrel Union SetReplacement barrel unions for SF100/150/200.Comes with barrel union nut, tail and o'ring.Sold as a pair. Learn More$35.00
- Spanet SmartFlo 40mm Split Union c/w O'ring & Tail SN-SC05-U - Spa Spare PartSpanet SmartFlo 40mm Split Union c/w O'ring & Tail. Learn More$25.00
- Davey Spa-Quip SP500 1.5kw Controller Q500AUS-15 - Spa Spare PartSystem is sold complete with: Heater and controller 2 pcs 40mm unions T piece body Also available in 2.0kw Made in Australia Controller can be set up in one of the following configurations: 1 X 1spd pump, 1 X Blower (STANDARD BLOWER) 1 X 1spd Pump, 1 X 12volt light transformer Power Rating: 10amp… Learn More
Available In-Store Only
- INSNRG Mi 250 Sand/Glass 25" Media Pool Filter w/ 40mm Multiport Valve…Operation: 40mm multiport valve with sight glass makes backwashing and rinsing a breeze. Efficient Flow: Advanced underdrain supports 250 lpm, reducing energy use. Sustainable Choice: Uses eco-friendly sand or glass media, conserving resources. Easy Servicing: Quick-release unions simplify… Learn More$1,292.00
- SensaClear 21" Media Filter Clamp Down MPV 40mm…Quality 6-way multi-port valve, for easy control, featuring an integrated sight glass and liquid filled pressure gauge. Robust A.B.S barrel unions, making installation and maintenance easy. Cylindrical shape, provides the most efficient filtration operation with up to 370 kPa operating pressure.… Learn More$549.00
- SensaClear 25" Side Mount Media Filter MPV 40mm…Quality 6-way multi-port valve, for easy control, featuring an integrated sight glass and liquid filled pressure gauge. Robust A.B.S barrel unions, making installation and maintenance easy. Cylindrical shape, provides the most efficient filtration operation with up to 370 kPa operating pressure.… Learn More$809.00
- Davey CrystalClear ER Series Sand/Zelbrite/Glass 24" Premium Fibreglass Media Filter w/ 40mm Multiport ValvePremium fibreglass media filter with seamless one-piece tank, energy-saving Fish Tail Laterals, and water-saving backwash system for crystal-clear pool water. Learn More
Available In-Store Only
- Davey Union Tail (Black) M8128 Suits EcoPure & Reliance MKIIGenuine Davey Multi Port Valve Spare Part Suits 40mm (1.5") Eco Pure & Reliance MKIII Sand Filter Valve Learn More$13.00
Available In-Store Only
- Davey Barrel Union O Ring M8129 Suits EcoPure & Reliance MKIIIGenuine Davey Multi Port Valve Spare Part Suits 40mm (1.5") Eco Pure & Reliance MKIII Sand Filter Valve Learn More$9.00
Available In-Store Only






















