Diagram Thermostatic Mixing Valve Installation

Thermostatic mixing valves must be as close as possible to the point of use.

Diagram thermostatic mixing valve installation.

Standard mixing valve installation. Thermostatic mixing valves how they work. Installation of additional strainers in the supply piping is recommended in systems where water can contain particles that could impede the proper operation of the mixing valve. Free thermostrip included makes temperature setting easy for one person to handle.

Watts thermostatic mixing valves. For installations that use a bath diverter spout you must install a twin ell k 9663 with integral aspirator between the valve and the bath spout. Running the water heater without water will result in dry firing. One way to solve this problem is to install a second mixing device as shown in figure 4.

Dismantle and clean hoses taps showerheads and thermostatic mixing valves minimum once a year. Thermostatic mixing valves must allow easy cleaning and disinfection operation. Maintain and limit mixed hot water to a desired selectable temperature provide a way to control outlet temperatures to help mitigate the risk posed by unmonitored untempered water. Thermostatic mixing valves must have integrated check valves.

Thermostatic mixing valve installation servicing instructions the webstone tmv is designed for use in heating as well as domestic water systems and provides outlet temperatures ranging between 95 131 f. Massachusetts you must install a vacuum relief valve per 248 cmr. Designated lengths of straight piping before and after the unit are not required. The water temperature in a hot water heater needs be kept at approximately 140 degrees fahrenheit to limit the potential of the unit becoming a breeding ground for legionella the bacteria that cause legionnaire s disease.

Consult a qualified sales rep to determine the necessary accessory fittings and installation of a particular mixing valve. This device may be another three way mixing valve or one of several available preset thermostatic mixing devices specifically designed for boiler protection. The valve may be positioned in any orientation. An asse 1017 thermostatic mixing valve must be installed when using outdoor reset.

Thermostatic mixing valves keep children safe from being scalded from the tap. Thermostatic mixing valves since 1874 watts has set the standard for valve technology. If these thermostatic mixing valves are installed without an aspirator it will cause water to flow from the shower. Mixing valves pipe connectors and installation varies with the manufacturer.

Some boiler manufacturers even build such thermostatic bypasses into some of their boilers. Always shut off power to the water heater or isolate the heater from the system if any plumbing work is to be done.