Heater Parts, Fittings
  Heater plumbing fittings, gaskets and o-rings for hot tub spa heaters.

Featured Products


1.5" Split Heater Nut for hot tub spas - $5.00
1.5" Split Heater Nuts We also have split nuts for pumps Part# Description 89-238-1015 Fits 1.5" heater tubes 2-7/16" across threaded side 1-15/16" across back side More Info
2" Split Heater Nut for hot tub spas - $6.50
2" Split Heater Nuts We also have split nuts for pumps Part# Description 89-238-1040 Fits 2" heater tubes 3-1/16" across threaded side 2-1/4" across back side More Info
Aquatemp Products Heater Uni-Nut® for hot tub spas - $4.00
Aquatemp Products Heater Uni-Nut® You will need a nut and a retainer for complete assembly. It is a patented design to end leaking split nuts on heaters. The Uni-Nut® is a one-piece nut that can b... More Info
Generic Heater Gaskets and O-Rings for hot tub spas - $0.80
Generic Replacement Seals and O-rings Part # Description 90-423-1000 1.5" O-ring, 1-15/16" OD 90-423-1005 2" O-ring, 2-9/16" OD 90-423-1275 3" O-ring 90-423-1001 1.5" gasket, 2-5/16" OD, 1-9/16" ... More Info
Heater Tube End Fittings for hot tub spas - $5.00
These fittings are called tailpieces Found at the end of most flo thru type heater manifold housings. Part # Description 89-238-1020 1-1/2" split nut tailpiece 89-238-1025 1-1/2" male spigot tailp... More Info
Magic Plastic Heater Fittings for hot tubs and spas - $8.00
Good generic brand of heater and pump fittings Part # | Description | Manf. # 89-395-1300 Heater union half w/split nut, 1-1/2"s 0611-15 89-395-1302 Heater union half w/split nut, 1-1/2&qu... More Info
Snap Nuts for hot tub spa heaters - $4.00
Snap nuts are used in place of the older style split nuts with screws. Part # Description 89-238-1037 1-1/2" snap nut (metal only) 89-238-1039 2" snap nut (metal only)* *no longer av... More Info

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