Therm Products

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This original Vita Spa Heater is obsolete and has been replaced by the new model which will come with dettached heater pigtail wires. Vita/DM Spas Stainless steel 4.5kW/230v, 2" x 17-5/8" flow thru...

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 replacement 4.0kw 230v Low Flow Trombone Heater. 26" x 6" dual element w/24" pigtail cord & off angle box w 3/4" barbs & pressure switch cable. This heater is used with a low...

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 1990-1994 New replacement 5.5 KW electric heater assembly for older Cal Spa control systems, such as the PS1-PS5 systems. The original heater had a 2 inch manifold that tapers down to 1.5...

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...