This 1/2 in. multi-orifice flow control valve is designed to limit the flow of water to equipment in tankless water heater installations and also prevent inadequate heat transfer due to excessive flow. It is made of lead free alloy and has a multi-orifice cylinder design with solder connections that allow you to select a flow adjustment of 2-1/2, 3, 3-1/2, or 4 GPM.
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Product Depth (in.)
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For Use With
Electric Tankless,Gas Tankless
Temperature and Pressures Valve
Product Weight (lb.)
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out of 3 reviews
0% recommend this product
Showing 1-3 of 3 reviews
Feb 5, 2019
The product leaked once pressurized. I'll have to replace...
The product leaked once pressurized. I'll have to replace or remove it.
May 29, 2018
Product is fine. The fact that it took forever to arrive made it a useless purchase. The job th...
Product is fine. The fact that it took forever to arrive made it a useless purchase. The job the valve was purchased for was already installed by the time it showed up. I'd actually just as soon return it
Jan 2, 2018
Shipped fast and was just as advertised. This is a...
Shipped fast and was just as advertised. This is a simple flow regulator with 3 flow rate options, each estimated at 50psi. The directions included in the box provides a flow chart for a range of psi, which was very helpful, as I run 75psi.
Response from WattsWaterJan 4, 2018
We're glad to hear that this valve met your expectations and that our included instructions were helpful! Thanks for letting us know!