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Heater Tailpieces with O-ring gaskets, Standard (Pair)

Standard screw on heater unions that attach to Heater Manifold for connection to direct size plumbing. Comes with fitted rubber o-ring gaskets to prevent leakage. Available for both 1.5 and 2.0 inch plumbing. Sold as a pair.

SpaGuts P/N:

  • 25-200-1051, 1.5 inch
  • 25-200-1052, 2.0 inch


The 1.5 inch tailpiece will have an outside thread to outside thread measurement of 2.375 inches (MBT = male buttress thread). Slip end fits on 1.5 inch PVC pipe.

The 2.0 inch tailpiece will have an outside thread to outside thread measurement of 3.1 inches (MBT). Slip end fits on 2.0 inch PVC pipe.

Replacement for the following part numbers: 417-5050 or 25-350-1052 (2" tailpiece), 711-4030 (2.0" o-ring gasket), 0050107020 (2.0" tailpiece), 0301-229W-12 (2.0" o-ring gasket), 417-4090 or 25-350-1051 (1.5" tailpiece), 711-4050 (1.5" o-ring gasket), 0050106015 (1.5" tailpiece), 0301-224W-12 (1.5" o-ring gasket), X277700 (2.0"), X801765 (2" o-ring gasket), Balboa 50085 (2.0" tailpiece), Balboa 21619 (2.0" o-ring gasket)

NOTE: Use the 2.0 inch size for SpaGuts brand spa controllers, or for controllers with a 2.0 inch Flo-Thu heater housing (heater hole diameter should be 2.25 inch). Add reducers if connecting the 2.0 inch tailpiece to 1.5 inch pipe.

This item comes with a 90 day limited warranty, and is NON-Returnable.

$20.95 In Stock heaterTailM.jpg


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Heater Size Learn More
1.5 inch
2 inch