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Learn what a backflow prevention device is and how it works to protect potable water supplies from contamination or pollution due to backflow. Find out the different types of backflow prevention devices, their regulatory requirements, and their terminology.
Backflow is an unwanted flow of water in the reverse direction that can contaminate potable water supplies. Learn about the causes of backflow (back pressure and back siphonage), the risk levels of contamination, and the measures to avoid backflow (check valves, air gaps and sanitary sewer valves).
For older houses where the water heater is part of the space heating boiler, and plumbing codes allow, some plumbers install an automatic gas shutoff (such as the "Watts 210") in addition to a TPR valve. When the device senses that the temperature reaches 99 °C (210 °F), it shuts off the gas supply and prevents further heating.
Learn about the universal access, good service quality and low tariffs of water and sanitation in Spain. Find out how water resources, policy and regulation, and service provision are organized in the country.
Learn about the types, advantages, and disadvantages of tankless water heaters that instantly heat water as it flows through the device. Compare gas, electric, and combination boilers, and point-of-use systems.
Nighttime bathroom trips can wreak havoc on your sleep, but there are some practical ways to manage them. A doctor provides six tips to improve your rest.
A heat pump in combination with heat and cold storage. A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.
Hydronics (from Ancient Greek hydro- 'water') is the use of liquid water or gaseous water or a water solution (usually glycol with water) as a heat-transfer medium in heating and cooling systems. [ 1 ] [ 2 ] The name differentiates such systems from oil and refrigerant systems.