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  2. Condensate pump - Wikipedia

    en.wikipedia.org/wiki/Condensate_pump

    A condensate pump is a specific type of pump used to pump the condensate produced in an HVAC (heating or cooling), refrigeration, condensing boiler furnace, or steam system. [ 1 ] Applications

  3. Boiler feedwater pump - Wikipedia

    en.wikipedia.org/wiki/Boiler_feedwater_pump

    Feedwater pumps range in size up to many kilowatts and the electric motor is usually separated from the pump body by some form of mechanical coupling. Large industrial condensate pumps may also serve as the feedwater pump. In either case, to force the water into the boiler, the pump must generate sufficient pressure to overcome the steam ...

  4. Heat pump and refrigeration cycle - Wikipedia

    en.wikipedia.org/wiki/Heat_pump_and...

    Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. [1] A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [2]

  5. Pressure vacuum breaker - Wikipedia

    en.wikipedia.org/wiki/Pressure_vacuum_breaker

    A pressure vacuum breaker (PVB) is a type of backflow prevention device, used to keep non-potable (or contaminated) water from entering the water supply. A PVB is similar to an atmospheric vacuum breaker (AVB), except that the PVB contains a spring-loaded poppet.

  6. In Texas, is it better to have a heat pump or an air ... - AOL

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  7. Thermal expansion valve - Wikipedia

    en.wikipedia.org/wiki/Thermal_expansion_valve

    A thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) is a component in vapor-compression refrigeration and air conditioning systems that controls the amount of refrigerant released into the evaporator and is intended to regulate the superheat of the refrigerant that flows out of the evaporator ...

  8. Buses, football and food top 2024 Pork Report - AOL

    www.aol.com/news/buses-football-food-top-2024...

    (The Center Square) – A $60 million deficit facing the Memphis Area Transit Authority, a "friendly" restaurant deal in Lebanon and another fumble for Nashville's Nissan Stadium project topped ...

  9. Reduced pressure zone device - Wikipedia

    en.wikipedia.org/wiki/Reduced_pressure_zone_device

    In the UK, [6] Illinois, New York, [7] Texas, [8] and Missouri(RsMO 10c60-11), the RPZD valve must be tested at least every 12 months by an accredited tester. In the UK all RPZD Valve Testers have to be WRAS Accredited

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