The Hancock Shaker Village, in Massachusetts, is one example of America's many Utopian communities. Photograph by Polly M. Rettig, Landmark Review Project, 1974. The Amana Colonies were one of many utopian colonies established on American soil during the 18th and 19th centuries. There were hundreds of communal utopian experiments in the early United States, and the Shakers alone founded around 20 settlements. While great differences existed between the various utopian communities or colonies, each society shared a common bond in a vision of communal living in a utopian society.
Thermostatic Mixer Valves must shut down completely if the cold water supply is interrupted. This is called a fail safe. Hot water temperatures are often used to control the growth of legionella bacteria. This can lead to a risk of scalding.
Clean the filter and turn the thermostat up to try the heater again. A dirty filter can result in low pressure, and if the pressure leaving the filter is low, this will cause the pressure switch to turn the heater off.Check the shut-off valve on gas heaters to ensure that the valve is open and thus supplying fuel to the heater.hen to Call a Professional. A malfunctioning pool heater can be a serious safety hazard. If you are unsure about any situation or procedure, contact an expert or call your manufacturer for assistance. Do not attempt to repair electrical or gas issues by yourself.