Therm Products 5.5KW 240V Spa Heater C2550-0021

5.5KW, 240 volt Flow Thru heater measures 2-Inch X 15-3/4-Inch".  This hot tub heater is used in Cal Spas, United and other brand hot tubs.

Now shipping 48-3300-10-021H to replace the discontinued Therm Products heater.

Replacement option for: C2550-0021ET, C2550-0022, C2550-0023, United Spa.

This spa heater is made by Therm Products and is ideal for use in hot tub spas.

5.5kw/240v. heater element included in this 2" x 15.75" Swadged manifold.

Replaces: C2550-0021ET / C2550-0022 with tap.

C2100-0210-1- 1.0kw/240v. 1.5" x 8.5"

Used on C2550-0023 United Spas.  Get all your replacement spa heaters at Hot Tub Outpost.

Cal Spas used this heater on 1990-1992 spa models.

Has 1 1/2" connections. Shipping latest available model of this heater.