Heaters and Related Parts

You are buying a 2" Heater Split Nut with 2" Slip X 2" Thread Heater Union Kit which includes the split nut , (2) Screws, 2" Slip X 2" Threaded Union and a gasket for use with a 2" Heater Union. The Heater Flange Split Nut mounts to the heater tube...

This part is a Standard 2 1/2" Pump Union O-Ring. The O-Ring is 2 1/2" Center to Center across and fits some unions but there are exceptions so please see the pictures and compare. This part is used in hot tubs between a pump...

Cal Spas 1990-1992No pressure switch tap. Stainless steel replacement heater assembly 1-1/2" x 15-3/4" manifold includes 5.5kW/240v element and split nuts with tailpiecesNote: Element replacement is not recommended for this manifold

1" Screw Plug, Screw on TerminalsNo thermowells, 5.5kW/240v ratingCalSpa, Ramco1" thd elements measure 1-1/4" o.d

Arctic Spas ReplacementStainless steel replacement flow thru, L shaped heater assembly with a 5.5kW/230v incoloy element. This is an aftermarket heater made for use on Arctic Spas. Heater gaskets, and tailpieces are included. Pressure switch sold...

You are buying a 2 1/2" Thread X 2 1/2" Slip Heater Union with Gasket that matches Union. The Union receives a 2 1/2" pipe or fitting on the glue side and then Screws to a 2 1/2'" Heater Flange using a 2 1/2" Nut on the heater...

This part is a Heater Tailpiece, 2 1/2"mbt x 2" Slip.. The threaded side measures about 3 5/8" edge to edge and the Slip side measures about 2 3/8" Inside Diameter..  For the gasket that works with this Union click this Link: 2 1/2" Spa Hot Tub...

Balboa Water GroupStainless steel replacement complete heater assembly, 5.5kW/1.375kW ,230v or 115v, this tube measures  2" Inside Diameter and the overall tube length is 15" not counting the split nuts. This heater includes M7 sensors, tailpieces,...

Leisure BayStainless steel, 17-1/2" x 3" 4.0kW/230v replacement heat exchanger. Made for use exclusively on Leisure Bay hot tubs. The original heater may have used a redundant hi-limit, if that is the case when replacing with this heater simply protect...

Balboa InstrumentsStainless steel replacement heater assembly. 2" x 15" manifold with1/8"npt pressure switch tap, does not include tailpieces