Maintains heat at set temperature.

A device, usually within a faucet, that maintains the current water temperature if water is being used elsewhere in the building. This is not an anti-scald device. The Strom Plumbing Thermostatic Tub Faucet is one example of a tub faucet with a thermostatic device.

VALVE A shower mixing valve with automatic temperature control. When temperature fluctuations occur at the water inlets, a thermal actuator adjusts the hot and cold ratio to maintain the original temperature setting.

Of or pertaining to the thermostat; made or effected by means of the thermostat.

of or relating to a thermostat; "thermostatic control"