Welcome to the updated SpaPartsNet!

Need help finding a part? Text photos: 772-800-5445 | Call: 844-500-4645

We’ve upgraded the site with more products and better shipping prices.

USA Shipping Promo: FREE SHIPPING in the USA on parts orders over $75
(Excludes Alaska & Hawaii and oversized/heavy items.)

Note: Oversized/heavy items (like complete pumps) may require additional shipping charges, especially to AK/HI.

Previous Customers (Important)

If you previously had an account, your information is still here — you’ll just need to reset your password because passwords did not transfer during the migration.

Reset Your Password

Note: Some heavier items (such as complete pumps) may have shipping limitations outside of the USA.

Welcome to the updated SpaPartsNet!

Need help finding a part? Text photos: 772-800-5445 | Call: 844-500-4645

We’ve upgraded the site with more products and better shipping prices.

USA Shipping Promo: FREE SHIPPING in the USA on parts orders over $75
(Excludes Alaska & Hawaii and oversized/heavy items.)

Note: Oversized/heavy items (like complete pumps) may require additional shipping charges, especially to AK/HI.

Previous Customers (Important)

If you previously had an account, your information is still here — you’ll just need to reset your password because passwords did not transfer during the migration.

Reset Your Password

Note: Some heavier items (such as complete pumps) may have shipping limitations outside of the USA.

Shop by Category

Heater Assemblies, Flow Thru

Shop flow-through heater assemblies for hot tubs and spa systems. Flow-through heaters heat water as it circulates through a stainless steel tube housing.

These assemblies are commonly used in modern electronic spa control systems. Replacing a faulty flow-through heater restores proper heating performance and system efficiency.

Browse compatible flow-through spa heater assemblies designed for dependable hot tub heating.

Need help confirming size or kilowatt rating? Text photos to 7728005445 or call 8445004645.