Hot Water Mixing

The 5121 Mixing Valve is a compact, lead-free domestic water thermostatic valve designed to deliver stable, mixed water temperatures for faucets or any point-of-use installation wherever an ASSE 1070 safety valve is required.  The 3/8-inch valve is an addition to the existing 5120 Series mixing valve product line, which also includes ½, ¾ and 1-inch Read more

The 5121 Mixing Valve is a compact, lead-free domestic water thermostatic valve designed to deliver stable, mixed water temperatures for faucets or any point-of-use installation wherever an ASSE 1070 safety valve is required.  The 3/8-inch valve is an addition to the existing 5120 Series mixing valve product line, which also includes ½, ¾ and 1-inch sizes.

The 3/8-inch 5121 thermostatic valve is offered in two versions – one with a T and elbow, and one without.

The ASSE 1070-listed, point-of-use valve ensures stable, mixed water temperatures throughout a home or business.   Maximum flow is 5.8 GPM.  Hot supply temperature range is 120-180˚F, cold supply range is 39-85°F, and the outlet temperature range – set at the factory for 110˚F – is 95-118˚F.

Each 5121 valve includes a mounting bracket, connects to 3/8” flexible hose or compression 3/8” OD tube, and also includes check valves, inlet strainers and a tamper-resistant cap.5121 Mixing Valve mechanical hub