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Spa heater assemblies

Arctic Spas Flo-Thru heater assemblies

Replacement Flo-Thru heater assemblies from 3.6 to 7.2 kW, including two L-shape assemblies. Match the part number on the old heater and the kW rating, and you have it.

631-678-6506Ships by groundPart number on every listing

Arctic Spas heaters

7 products, part number on each

Match the part number

Two heaters can share a kW rating and still differ. The full part number is what you match.

Power off first

Heaters run on high voltage. Shut the breaker, and use a licensed electrician if you are not sure.

Ask us

Call 631-678-6506 with a photo of the old heater's label.

Arctic Spas heater questions, answered

How do I find the right heater?

Match the full part number and the kW rating on your old heater.

Do I need the L-shape heater?

Only if the heater you are replacing is L-shaped. The L-shape assemblies say so in the title. For the rest, match the full part number.

Can you help me match a part?

Yes. Call 631-678-6506 with the part number off your old piece, or send a photo, and we will help you match it.

Matching a spa heater?

Send us a photo of the label on the old heater. We will match it for you.

Call 631-678-6506 Ask a question

Arctic Spas Flo-Thru spa heater assemblies at Aqua Terra Backyard: 3.6 kW 48-9151-AP-K, 4.0 kW 48-9125-5T-K and 48-9150-5P-K, 5.5 kW 48-9120-7P-K, 5.5 kW L-shape 48-9121-7S-K and 48-9123-7T-K, and 7.2 kW 48-9130-CP-K. Call 631-678-6506 with questions.