Diagram Thermostatic Mixing Valve Installation

Watts thermostatic mixing valves.

Diagram thermostatic mixing valve installation.

Some boiler manufacturers even build such thermostatic bypasses into some of their boilers. Thermostatic mixing valves since 1874 watts has set the standard for valve technology. An asse 1017 thermostatic mixing valve must be installed when using outdoor reset. Free thermostrip included makes temperature setting easy for one person to handle.

Standard mixing valve installation. 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. Dismantle and clean hoses taps showerheads and thermostatic mixing valves minimum once a year. Massachusetts you must install a vacuum relief valve per 248 cmr.

Thermostatic mixing valves must be as close as possible to the point of use. The valve may be positioned in any orientation. 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. Thermostatic mixing valves how they work.

Always shut off power to the water heater or isolate the heater from the system if any plumbing work is to be done. If these thermostatic mixing valves are installed without an aspirator it will cause water to flow from the shower. 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.

Running the water heater without water will result in dry firing. Am 1 1070 series thermostatic mixing valve key features and benefits designed to meet the new asse 1070 plumbing standards requirements for point of use applications. Thermostatic mixing valves keep children safe from being scalded from the tap. Thermostatic mixing valves must allow easy cleaning and disinfection operation.

The thermostatic mixing valves do not have an integral aspirator. 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. Water supply systems should be thoroughly flushed prior to placing mixing valves in service. 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.

Mixing valves pipe connectors and installation varies with the manufacturer. One way to solve this problem is to install a second mixing device as shown in figure 4.