Therm 5.5kW Flo Thru Heater [15" x 2"] [230V] [w/Box] [Cal Spas] [Generic] (C2550-0011) dowcorning matching the correct wet end

matching the correct wet end helps avoid alignment problems

For best results

Helps restore dependable internal filtration performance

Installing the right impeller helps bring back the circulation profile the system was designed to deliver

Useful during replacement or upgrade work

Therm 5.5kW Flo Thru Heater [15" x 2"] [230V] [w/Box] [Cal Spas] [Generic] (C2550-0011) dowcorning matching the correct wet endThe Therm 5. 5 kW flo thru heater is designed for compatible Cal Spas applications using a 15 inch by 2 inch 230 volt format and includes a box style configuration. Heaters with a box arrangement are useful because they help preserve the original equipment layout in systems built around that style of installation. This replacement is especially useful when the original heater has failed, is leaking, or no longer provides dependable heat and the system