These are the 6 Best Water Mixing Valves of 2022 [Expert Recommendation]

Best Water Mixing Valves

Water mixing valves are important if you want to save your family member from accidentally scalding and want to adjust the water temperature. It also prevents bacteria and mold growth.  

Among the listed best water mixing valves, Watts is more popular and widely used, besides Guardian water mixing valve has more features but is expensive, Cash Acme water mixing valves are reasonable. Atmama, Taco, and Wilkins are also popular for water mixing valves.

These are the 6 Best Water Mixing Valves

  1. Top Pick: Watts USG-B-M2 3/8″ Thermostatic Mixing Valve
  2. Editor’s Choice: Guardian G3600LF Tempering Valve
  3. Best Overall: Cash Acme 24643 Mixing Valve with Corrugated
  4. Best Design: Thermostatic Mixing Valve
  5. Best Performance: Zurn 3/4″ Fnpt Thermostatic Mixing Valve


Watts USG-B-M2 3/8″ Thermostatic Mixing Valve

q? encoding=UTF8&ASIN=B00AN89GKO&Format= SL250 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=insidetoilet 20&language=en USir?t=insidetoilet 20&language=en US&l=li3&o=1&a=B00AN89GKO


  • Inlet Size: 3/8 in
  • Outlet Size: 3/8 in
  • Max. Pressure: 150 psi
  • Temp. Range: 80 to 120 Degrees F
  • Flow Rate: 0.5 to 2.5 gpm
  • Inlet type: Compression
  • Weight: ‎10.1 ounces.
  • Material: Stainless Steel, Bronze
  • Height: 3 3/8 in
  • Width: 3 3/16 in
  • Key features: Durable, Compact Design, Commercial & Residential.

The Watts Tempering Valve can be used as a Thermostatic Control valve for under the sink. Watts hot water mixing valve body material is stainless steel so the durability is high.

The drawback of the thermostatic mixing valve is the Low Flow Rate. It is only 0.5 to 2.5 GPM. Though its Flow Rate is low, you can use the mixing valve for residential and commercial purposes.

In the Watts mixing valve, the maximum pressure is 150 psi and the temperature range is 80 to 120 degrees F. The inlet connection type is compression.


  • The body material is stainless steel.
  • Long-lasting and prevent corrosion.
  • Two outlet connection is available.
  • Compact design.


  • The flow rate is low.

Guardian G3600LF Tempering Valve

q? encoding=UTF8&ASIN=B01M08WOUD&Format= SL250 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=insidetoilet 20&language=en USir?t=insidetoilet 20&language=en US&l=li3&o=1&a=B01M08WOUD


  • Inlet Size: 1/2 in
  • Outlet Size: 1/2 in
  • Max. Pressure: 150 psi
  • Temp. Range: 85 to 140 degree F
  • Flow Rate: 2 to 6 gpm
  • Inlet type: Compression
  • Weight: 10 ounces
  • Material: Brass and bronze.
  • Height: 10 in
  • Width: 9 in
  • Key features: Thermostatic Mixing Valve, Analog display.

For emergency face or eye wash, you can install the Guardian G3600LF as a faucet mixing valve. Besides, you can use it as an RV shower mixing valve and bath thermostatic mixing valve.

It has a diameter, with this you can always observe the temperature of the outlet water. The valve is made of Brass and it is lead-free. The hot and cold mixing valve can be used for residential and commercial purposes.


  • Analog display keeps you updated.
  • Adjustable tempering valve.
  • Prevent the risk of accidental scalding.
  • Ergonomically designed and constructed.


  • The price is high than the others.

Cash Acme 24643 Mixing Valve with Corrugated

q? encoding=UTF8&ASIN=B01EWE3M72&Format= SL250 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=insidetoilet 20&language=en USir?t=insidetoilet 20&language=en US&l=li3&o=1&a=B01EWE3M72


  • Inlet Size: 3/4 in 
  • Outlet Size: 3/4 in 
  • Max. Pressure: 150 psi 
  • Temp. Range: 90 to 130 Degrees F
  • Flow Rate:
  • Inlet type: NPT
  • Weight: 3.52 pound
  • Material: DZR Brass
  • Height:  2 in  
  • Width: 9 3/8 in 
  • Key features: Sharkbite, Protection, Cost effective, Comfort, Safety.

Cash Acme is one of the leading companies for manufacturing Water Heater Mixing Valve and also Commercial Hot Water Mixing valve and Thermal Mixing Valve.

Temperature mixing valve provides you comfort by increasing usable hot water located on the water heater. The digital water mixing valve always observes the water temperature which is delivered through the valve and it minimizes accidental scalding.

The mixing valve is also cost-effective for this you have to add a Tank Booster Pro Thermostatic Mixing Valve. It will help the tank store water at a higher temperature.


  • Accessories are cheap.
  • Easy to install.
  • Long lasting.
  • With SharkBite easily connect to copper, CPVC, or PEX tubing.


  • You need some accessories for optimal service.

Thermostatic Mixing Valve

q? encoding=UTF8&ASIN=B08L17P49P&Format= SL250 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=insidetoilet 20&language=en USir?t=insidetoilet 20&language=en US&l=li3&o=1&a=B08L17P49P


  • Inlet Size: 1/2 in
  • Outlet Size: 1/2 in
  • Temp. Range: 68 to 122 degree F.
  • Inlet type: NPT
  • Weight: ‎1.28 pounds
  • Material: Brass
  • Height: 4.13 in
  • Width: 2.05 in

The Atmama Tempering Valve has two 1/2 NPT connections for hot and cold water. The temperature of inlet cold water connection is 34 to 84 degrees F and the inlet hot water temperature is 113 to 210 degree F. The outlet water temperature range is 68 to 122 degrees F.

The body material is premium and solid brass, so its durability is long. The Tempering valve is easy to operate.


  • Handle is easy to adjust /turn.
  • Perfect for RV and Boat tank.
  • Rust and corrosion-resistant.


  • It has only one outlet.

Taco Mixing Valve

q? encoding=UTF8&ASIN=B01IPO8BN0&Format= SL250 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=insidetoilet 20&language=en USir?t=insidetoilet 20&language=en US&l=li3&o=1&a=B01IPO8BN0


  • Inlet Size: 3/4 in
  • Outlet Size: 3/4 in
  • Max. Pressure: 200 psi
  • Temp. Range: 85 Degrees to 176 Degrees F
  • Flow Rate: 1 to 20 gpm
  • Inlet type: Union Sweat
  • Weight: 1.69 pounds
  • Material: Brass
  • Height: 5 in
  • Overall Width: 5 5/13 in
  • Key features: Quick fix, Temperature Strip, Protect from injury.

The Taco hot water mixing valve’s Air Flow Capacity is 350 cubic feet per minute. The Flow Rate of the hot and cold water mixer valve is started from 1 gpm to 20 gpm. The Hot Cold water mixing valve is made of Brass and it is long-lasting.

The Inlet and Outlet type of the mixing valves is Union Sweat and the size is 5 in Height and Width 5 25/64 in. If you want you can use the mixing valve under the sink.

The weight is only 1.69 pound, the temperature range is 85 to 176 degrees F and the maximum pressure is 200 PSI which is enough as a hot water tempering valve.


  • Easy to install.
  • Includes Temperature Strip.
  • Super built-quality.
  • Durable brass construction.


  • The knob is old-fashioned.

Zurn 3/4″ Fnpt Thermostatic Mixing Valve

q? encoding=UTF8&ASIN=B005TU5F6A&Format= SL250 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=insidetoilet 20&language=en USir?t=insidetoilet 20&language=en US&l=li3&o=1&a=B005TU5F6A


  • Inlet Size: Inlet Size: 3/8 in 
  • Outlet Size: 3/8 in
  • Max. Pressure: 145 psi 
  • Temp. Range: 95 to 115 Degrees F 
  • Flow Rate: 0.5 to 3.10 gpm 
  • Inlet type: Compression  
  • Weight: 2.03 Pounds
  • Material: Low-Lead Bronze
  • Height: 4 27/32 in 
  • Width: 4 3/16 in
  • Key features: Point of use, Suitable for multiple fixtures

The mixing valve is made with low lead bronze and with nickel coating. So it is the corrosion resistance and the durability is long. The inlet type is FNPT and the outlet type is FNPT. The inlet size is 3/8 in and outlet size 3/8 in.

The flow rate is 0.5 gpm to 3.10 gpm which is enough for any point of use. The inlet hot water temperature range is 120 to 195 degrees F and the inlet cold water temperature is 40 degrees to 75 degrees F.


  • Suitable for multiple fixtures.
  • It is designed for point of use.
  • Easy to install.
  • Rust and corrosion resistance.


  • It has no diameter.

How we select these products

Mixing valve is very important part of water fixtures. I select those mixing valves that have high flow rate, easy to install, easy to operate, are rust-resistant, have suitable temperature rage, standard inlet outlet size. I also analyzed the customer reviews. After all research, I make the list above those are wide uses and recommended.

Notify of
Inline Feedbacks
View all comments