Therm Products

Replacement 5.5 KW flo thru heater assembly for early 2000's Cal Spa models. Has a flange to flange length of 16.25" and includes 2" unions. The element has the standard 1-1/4" electrical terminal...

5"x 5"Flange ElementWelded construction most commonly used in plastic manifolds such as Brett Aqualine, Premier, Allstate, and Hot Water products. Dual 5/16" thermowells, studs for thermodisc,...

This Vita Spa Heater is obsolete and has been replaced by this heater: Heater, Flo Thru, Vita Spa, Replacement, 17-3/4" x 2", 230v, 5.5kW, Generation 2, DM Industries Vita/DM SpasStainless...

Flow Thru Heater Assembly used in Sundance Spas, and Spa Builders, and Pinnacle Spa Controls Stainless steel 2-1/4" x 15" with 5.5kW/240v, 1/8"npt pressure switch tap, (2) 2" socket tail piece, (2)...

Caldera/Watkins 4.0kw 230v Low Flow Trombone Heater. 26" x 6" dual element w/24" pigtail cord & off angle box w 3/4" barb & pressure switch cord. Used on Caldera Utopia and Paradise Series...

Vita SpasVertical heater assembly, 3" x 11" with 3/4" barb x 3/4" 90&deg barb inlet/outlets, 4.0kW/240v NO Longer Available Note: Therm Products the manufacturer of most hot tub heaters has gone...

No Longer Available.. Leisure Bay&OthersVertical heater assy, 1" barb inlet/outlet same side, 3" x 9" dimensions, Rated at 5.5kW/240v. Similar to Hurricane except that the 1/8"npt pressure...

Aftermarket Replacement for Cal Spa XL Exchanger This heater assembly is not an exchanger but an in-line flow thru replacement. This heater assembly is designed as a drop-in replacement. 2" x 15"s/s...

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...

Stainless steel aftermarket replacement heater assembly that fits systems that use dual sensor technology. 2" x 15" with two thd taps for the sensor assembly rated at 5.5kW/240v. Replacement sensors...