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Our Swimming Pool Unions and Adapters help connect heat pumps, pumps, and plumbing lines without making equipment service more difficult. Threaded fittings and O-ring connections support cleaner repairs around key pool equipment. These pool plumbing fittings are useful when replacing unions, reconnecting equipment, or restoring secure water flow.
Pool unions and adapters create removable connection points between equipment and plumbing lines. A union lets you disconnect a heat pump or pool pump without cutting pipe, which matters during service, replacement, or seasonal maintenance. O-ring seals help reduce leaks when the fitting is matched correctly and tightened properly. FibroPool’s range includes 1.5" heat pump unions, FH255 heat pump unions, and 2" FP pump union parts. These fittings are best for owners replacing worn, cracked, missing, or incompatible connection parts on supported equipment.
Pool plumbing fittings should match the equipment model, pipe size, thread style, and seal type before installation. A 1.5" heat pump union suits supported FibroPool heat pump connections, while 2" union parts are used with compatible FP pump plumbing. Male adapters and union assemblies do different jobs, so the visible part being replaced should guide the order. Check the existing fitting, O-ring condition, and connection point before buying. For pressure-side pool plumbing, a correct fit matters more than simply matching the nearest pipe diameter.
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Our pool unions and adapters are listed for customers who need the right connection part without sorting through unrelated hardware. FibroPool has supported pool owners since 2002, and we keep practical replacement parts available for heat pumps, pumps, and pool plumbing systems. We offer free delivery on all US orders with no minimum purchase, expert customer support based in the USA, and 30-day returns under the published return policy. Returned products must be unused, in new condition, in original packaging with original tags, and accompanied by proof of purchase.
Free Delivery
On all US orders with no minimum purchase.
Expert Customer Support
Based in the USA.
30 Day Returns
View return policy
Pay Over Time
Flexible monthly payments with Shop Pay.
