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Backflow preventer and Autofill Combination allows to fill hot water and glycol radiant floor PEX tube circuit and maintain the pressure of the system at a set value automatically filling up with water as required.
Backflow preventer and Autofill Combination
is backordered and will ship as soon as it is back in stock.
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Warranty
This product is covered by a 1 year limited warranty
Delivery and Shipping
Orders are shipped within 2 business days. If a problem prevents us from shipping your order within this time, we will notify you.
Depending on your delivery location, transit time will vary from 1 day to 5 days
Note for US and Internationnal buyers: the customer is responsible for paying any import costs to the shipping carrier, such as duties, import taxes, or brokerage/disbursement fees which may apply upon delivery.
The automatic filling valve is a device consisting of a pressure reducing valve with compensating seat, visual system pressure setting indicator, an inlet filter, anti-scale internal parts, a shut-off valve (round knob on bottom) and a check valve.
It is installed on the water inlet piping in sealed heating systems like radiant floor hydronic system, and its main function is to maintain the pressure of the system at a set value, automatically filling up with water as required.
The valve is pre-adjustable, meaning it can be set to the desired pressure value before the system charging phase.
After installation, during the filling or topping-off phase, the water feed will stop when the set pressure is reached. This valve fills 50% faster than other valves. There are no levers to flip or valve to close.
Pre-assembled with the 573 series backfl ow preventer, the AutoFill™ Combo features an atmospheric vent which is designed to protect drinking water systems from return flow, caused by back-siphoning or back pressure, of contaminated fluids. The 573 series has been specifically certified to standards CSA B64.3 and ASSE 1012.
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Caleffi
Backflow preventer and Autofill Combination
$249.52 CAD
Unit price /
Unavailable
Backflow preventer and Autofill Combination allows to fill hot water and glycol radiant floor PEX tube circuit and maintain the pressure of the system at a set value automatically filling up with water as required.
I purchased this glycol pump as part of the build your own, which included the manifolds pump, expansion tank, air separator and basic plumbing supplies. I was very happy with how everything arrived together and the install was straightforward just from looking at the pictures. The glycol pump makes it easy to charge the system, and took a lot of the guesswork out of setting it up. My garage now has toasty warm floors.
This is the second unit I’ve installed as the first one, installed two winters ago in another building is working so well. No problems, easy to install. Both systems are hydronic floor heat and these units work great. Just fyi…….going to electric now works out cheaper than the original propane costs. Like that it’s Canadian made.
