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38. Watkins Heaters
Automatic Air Bleeder Valve
Automatic Air Bleeder
Prevents electric heater dry fire in hot tubs!
Our knowledge is powered by 17 patents and over 32 years of experience designing and producing the best spa support products in the hot tub industry.

Air locks have been the deadly enemy of spa heaters in hot tub applications. Hot tub heaters are destroyed if air is trapped in the heater manifold. Especially after spa empty and refill, consumers often forget to bleed the air out of the hot tub plumbing. This usually results in a spa heater "dry fire" and costly hot tub heater replacement.

Hot tub manufacturers do not warranty submersible spa heaters against dry fire. Submersible hot tub heaters are 100% efficient, but this makes dry fire a real concern.

Acura Spa Systems engineered a simple, inexpensive yet most innovative device to automatically bleed air locks out of the spa heater plumbing preventing heater dry fire and in many cases also helps priming the spa pump. Make sure your spa heater is protected.

Prices include Free Freight*


Automatic Air Bleeder
Patented Automatic Air Bleeder


Prices include Free Freight*














*Free Freight only for Fedex SmartPost. Other forms of shipping incur additional shipping costs.

**Beating competitor's price: We will meet or beat any competitor's written quotation for hardware of the same capability, such as: plumbing size, voltage, motor horsepower, motor 1 or 2-speed, heater length, safety test report, etc.

A $7 Handling charge is applied to all orders.

All products sold per our "Terms and Conditions" found in the "Support" section of our menu.

When your order is produced, the pump motor used (A.O. Smith, Regal Beloit, Marathon Electric, etc.) will be whatever is in stock in our factory at the time.