The right hot and cold water valve depends on whether you need to combine supplies, control a fixture, or shut off a line. The brass mixing valve is designed to combine hot and cold water for a faucet, while the angle stop and CPVC and PEX valves serve as shutoff options for particular connections. Compare connection type, size, material, and intended use before choosing.
| Product | Best suited for | Connection or format |
|---|---|---|
| Solid Brass DN15 Mixing Valve | Combining hot and cold supplies under a sink | 1/2-inch valve |
| AIRISIN Quarter-Turn Angle Stop | Shutting off a sink, toilet, or faucet supply | Compression inlet and outlet |
| Greenspring Thermostatic Mixer Valve | Hot and cold supplies for a touchless faucet | 1/2-inch FIP/IPS |
| EFIELD CPVC Stop Valve | CPVC shutoff applications | 3/4-inch CTS connections; four-pack |
| GUOFIS PEX Crimp Ball Valves | PEX plumbing projects needing multiple shutoffs | 1/2-inch PEX crimp; ten-pack |
Solid Brass DN15 Hot And Cold Mixing Valve

This valve connects to hot and cold water sources under a sink and provides a single proportioned water output for a faucet. Its listed construction is brass, and its size is DN15, identified in the product name as 1/2 inch.
Best for: A sink installation that needs one mixed-water output from separate hot and cold supplies. It was selected because its stated function directly addresses water mixing rather than simple line shutoff.
Check before buying: Confirm that the connection style and plumbing layout match your faucet and supply lines. The listing details provided do not specify its adjustment method or temperature-control range.
AIRISIN Quarter-Turn Brass Angle Stop Valve

This one-pack valve has a 1/2-inch nominal compression inlet, listed as 5/8-inch OD compression, and a 3/8-inch OD compression outlet. It is intended for faucet, toilet, bathroom, and kitchen water-supply lines. The listing specifies hot and cold water use from 40 to 165 degrees Fahrenheit and a pressure range of 20 to 125 PSI. It is made from lead-free brass and includes a solid metal ball and compression rings.
Best for: A fixture supply line where the stated compression sizes match the existing plumbing. The quarter-turn design makes it a straightforward choice when a local shutoff—not a hot-and-cold mixing valve—is needed.
Check before buying: Do not assume the inlet or outlet will fit based on nominal size alone; verify the exact connection measurements.
Greenspring Hot And Cold Thermostatic Mixer

The listing describes this as a hot and cold water mixing valve for a touchless faucet. Its connections are 1/2-inch FIP/IPS thread fittings. Those details make it a focused option for installations that need to supply a touchless faucet with mixed water.
Best for: Buyers whose touchless faucet setup calls for 1/2-inch FIP/IPS connections. It was selected for its explicitly stated faucet-mixing purpose and connection type.
Check before buying: The available product details do not describe temperature range, flow rate, or specific thermostatic adjustment features. Confirm those requirements and thread compatibility before installation.
EFIELD 3/4-Inch CPVC Stop Valve Four-Pack

This four-pack is identified as 3/4-inch CTS by 3/4-inch CTS CPVC stop valves and includes ABS handles. It is a shutoff option for a compatible CPVC installation, not a listed mixing valve.
Best for: Projects that need several CPVC stop valves with matching 3/4-inch CTS connections. The multi-pack format is useful when more than one shutoff is required.
Check before buying: Confirm that the plumbing is CPVC and uses the specified CTS connection. The supplied details do not state pressure or temperature limits.
GUOFIS 1/2-Inch PEX Crimp Ball Valves

This ten-pack is described as 1/2-inch PEX crimp full-port ball valves. The product name indicates a full-port design and a crimp connection, making it a bulk shutoff choice for compatible PEX plumbing work.
Best for: Buyers who need multiple shutoff valves for a 1/2-inch PEX crimp project. It was selected for its clearly identified PEX connection and multi-valve quantity.
Check before buying: The available details do not specify tool requirements, material, or pressure and temperature limits. Verify these against the installation plan; this is not described as a hot-and-cold mixing valve.
Buying Guide: How To Choose A Hot And Cold Water Valve
Do you need to mix water or shut off a line?
A mixing valve combines hot and cold supplies into one output. A stop or ball valve controls flow through a line; it does not, by itself, blend temperatures. Choose the valve type based on the job before comparing other specifications.
Which connection should you check?
Match the valve to the pipe and fitting type, not just a stated diameter. The listed options include 1/2-inch FIP/IPS threads, compression connections, 3/4-inch CTS CPVC connections, and 1/2-inch PEX crimp ends. These connection systems are not interchangeable by default. Check both ends of the valve and confirm the required fittings.
What operating limits matter?
Compare the product’s stated pressure and temperature limits with the system requirements. Among these listings, the AIRISIN angle stop specifies 20 to 125 PSI and 40 to 165 degrees Fahrenheit. The supplied details for other products do not provide equivalent limits, so consult the full product information when those ratings are essential.
Should you buy a single valve or a multi-pack?
A single angle stop may suit one fixture connection. Four- and ten-piece packs may be more appropriate when a project needs several valves, but only if every valve matches the pipe material and connection style. Avoid selecting a pack solely by quantity.
Frequently Asked Questions
Can a shutoff valve mix hot and cold water?
No. A shutoff valve controls flow in a line. Use a mixing valve designed to combine hot and cold supplies when one mixed-water output is needed.
Are all 1/2-inch valves interchangeable?
No. A 1/2-inch measurement does not establish that connection types match. Threaded, compression, and PEX crimp fittings require compatible plumbing connections.
Which option is intended for a touchless faucet?
The Greenspring mixer is specifically described as a hot and cold water valve for a touchless faucet and has 1/2-inch FIP/IPS thread fittings.
Which listed valve includes pressure and temperature ranges?
The AIRISIN angle stop listing specifies 20 to 125 PSI and a water temperature range of 40 to 165 degrees Fahrenheit.
Can CPVC and PEX valves be used on the same pipe?
Do not assume so. The EFIELD valve is specified for 3/4-inch CTS CPVC, while the GUOFIS valves are specified for 1/2-inch PEX crimp connections. Match the valve to the pipe and connection system.