Cal Spa Hydroquip 5.5kW 230V Heater 48-3300-10-021H

Replacement heater for Cal Spas and other brand hot tubs.

48-3300-10-021H replaces the discontinued Therm Products C2550-0021 heater. 

Whether you order C2550-0021 or this item 48-3300-10-021H, you will receive this item which is the current model replacement for the discontinued heater.  

Includes 2 heater tailpieces for 2 inch plumbing.

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 Spas, packs and other brand hot tubs.

 48-3300-10-021H is the replacement for 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.

Flow thru type heater assembly with stainless steel tube. Heating element included, Used in 1990 to 1993 - No pressure tap.