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  2. Zone valve - Wikipedia

    en.wikipedia.org/wiki/Zone_valve

    Simple mechanical and control design ("SPST thermostats") Redundancy: If one zone pump fails, the others can remain working; Far superior method of linking multiple heat sources. Such as gas and solid fuel in one system. Disadvantages: Higher initial installation cost. Circulator pumps cost more than zone valves; Higher power consumption.

  3. Circulator pump - Wikipedia

    en.wikipedia.org/wiki/Circulator_pump

    By installing a thermostatically controlled pump just after the farthest fixture on the loop, cyclic pumping maintains ready hot water up to the last fixture on the loop instead of wasting energy heating the piping from the last fixture to the water heater. Installing a circulation pump at the farthest fixture on a hot water circulation loop is ...

  4. Forced circulation boiler - Wikipedia

    en.wikipedia.org/wiki/Forced_circulation_boiler

    The secondary pump takes the feed water going to the boiler and raises the pressure of the water going in. In a natural circulation boilers, the circulation of water is dependent on the differential pressures caused by the change of density in the water as it is heated. That is to say that as the water is heated and starts turning to steam, the ...

  5. Furnace (central heating) - Wikipedia

    en.wikipedia.org/wiki/Furnace_(central_heating)

    One advantage of a boiler is that the furnace can provide hot water for bathing and washing dishes, rather than requiring a separate water heater. One disadvantage to this type of application is when the boiler breaks down, neither heating nor domestic hot water are available. Air convection heating systems have been in use for over a century.

  6. Hydronic balancing - Wikipedia

    en.wikipedia.org/wiki/Hydronic_balancing

    Hydronic balancing, also called hydraulic balancing, is the process of optimizing the distribution of water in a building's hydronic heating or cooling system by equalizing the system pressure. In a balanced system every radiator is set to receive the proper amount of fluid in order to provide the intended indoor climate at optimum energy ...

  7. Ford recalls nearly 300,000 F-Series trucks over defective ...

    www.aol.com/ford-recalls-nearly-300-000...

    The truck recall is one of four issued by Ford Motor on the same day for a range of vehicles, including SUVs. Ford recalls nearly 300,000 F-Series trucks over defective fuel pumps Skip to main content

  8. Ford recalls nearly 300,000 trucks over fuel pump defect ...

    www.aol.com/news/ford-recalls-nearly-300-000...

    The recall report was first submitted on Dec. 20, 2024. Ford trucks affected by the recall include: 2020-2022 F-Super Duty F-250, F-350, F-450, F-550 and F-600 vehicles. 2021-2022 F-650 and F-750 ...

  9. Condensate pump - Wikipedia

    en.wikipedia.org/wiki/Condensate_pump

    Once steam is used it turns to hot water or condensate. This pump and possibly many more around the plant returns this hot water back to a make-up tank closer to the boiler, where it can be reclaimed, chemically treated, and reused, in the boiler, consequently it can sometimes be referred to as a condensate return pump.

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