power
A power supply is an electrical device that supplies electric power to an electrical load. The main purpose of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load. As a result, power supplies are sometimes referred to as electric power converters. Some power supplies are separate standalone pieces of equipment, while others are built into the load appliances that they power. Examples of the latter include power supplies found in desktop computers and consumer electronics devices. Other functions that power supplies may perform include limiting the current drawn by the load to safe levels, shutting off the current in the event of an electrical fault, power conditioning to prevent electronic noise or voltage surges on the input from reaching the load, power-factor correction, and storing energy so it can continue to power the load in the event of a temporary interruption in the source power (uninterruptible power supply).
All power supplies have a power input connection, which receives energy in the form of electric current from a source, and one or more power output or rail connections that deliver current to the load. The source power may come from the electric power grid, such as an electrical outlet, energy storage devices such as batteries or fuel cells, generators or alternators, solar power converters, or another power supply. The input and output are usually hardwired circuit connections, though some power supplies employ wireless energy transfer to power their loads without wired connections. Some power supplies have other types of inputs and outputs as well, for functions such as external monitoring and control.
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All power supplies have a power input connection, which receives energy in the form of electric current from a source, and one or more power output or rail connections that deliver current to the load. The source power may come from the electric power grid, such as an electrical outlet, energy storage devices such as batteries or fuel cells, generators or alternators, solar power converters, or another power supply. The input and output are usually hardwired circuit connections, though some power supplies employ wireless energy transfer to power their loads without wired connections. Some power supplies have other types of inputs and outputs as well, for functions such as external monitoring and control.
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reliable, quality assured and cost effective central heating power flushing solutions
Norstrom Proflush have produced Central Heating Power Flushing Equipment for over 25 Years. At CORGI direct, we provide a range of reliable, quality assured and cost effective central heating power flushing solutions. VIEW FULL RANGE- CorgiDirect
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- america central central heating central heating system cost effective flushing heating power powerflush quality reliable solutions usa
- Replies: 0
- Forum: USA
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What power cable for immersion heater?
An easy one... The power cable from my immersion heater controller to the heater itself needs replacing. It's been stripped back so many times over the years that it's getting too short. Can someone qualified tell me exactly what cable to ask for? From what I've read, it would be a three-core...- boilingpoint
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- america cable heater immersion immersion heater power usa
- Replies: 2
- Forum: USA
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Power flushing blocked microbore
I am a homeowner after some advice about power flushing a central heating system with microbore pipes that seem to be blocked. When I switched the boiler on in October, 3 of 12 radiators never warmed up and 2 other radiators became only lukewarm. My plumber concluded the pump in the 11-years...- sadlybroke
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- america blocked central heating system cold radiator flushing microbore power power flush usa
- Replies: 16
- Forum: USA
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Cold Water only during power cut - why??
Boiler is Worcester Heatslave external 18/25. We were notified of a pending power-cut for today a few days ago. Electricity was due to be off for 12 hours but fortunately came back on after about 6. I assumed that I'd be able to draw the hot water from the 51 litre tank whilst the power was off...- Phlize
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- cold cold water during power water
- Replies: 11
- Forum: Oil and Solid Fuel Forum
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Power Shower Spare Part
Hello I have a Supajet 202 Low Voltage power shower. The pump has started to leak and the parts seem to be discontinued. Is there any place I could source one? Thanks- fal888
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- parts power power shower shower spare
- Replies: 2
- Forum: Bathrooms, Showers and Wetrooms
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No Heating and Hot water after 4 weeks, 6 engineer visits, a power flush and new pump - HELP!!! (please)
We have a Glowworm BBU56F (back boiler). Its well-maintained/serviced and since we’ve been in the property (15 years) only the Thermocouple was replaced in July of this year, otherwise has been running fine. We’ve not had heating/hot water for a month now, and with 2 young kids/unwell missus...- Watergate
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- Forum: Central Heating Forum
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Kamco CF40 Power Flusher - Limited stock available for next day delivery
Limited stock available for next day delivery - https://www.corgi-direct.com/kamco-clearflow-cf40-evolution-17951-3420966- CorgiDirect
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- america available cf40 delivery kamco power powerflush stock usa
- Replies: 0
- Forum: USA
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Manual vs power flush, new boiler installation
Hi, I'm having a new boiler installed as part of grant scheme in a few weeks' time. My GCH stopped working about 7 years ago and I couldn't afford to keep fixing it - at the time my boiler was only about 3 years old, but was told after about 3 fixes that it was sludged up and needed a power... -
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Power shower working intermittently
I have a Monsoon 3 Bar Twin pump off which I run two showers, one upstairs and one downstairs, the pump is located downstairs. The shower upstairs does not start straight away it can take a minute or more before starting or not start at all, the shower downstairs work fine and the upstairs...- Bazza4465
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- power power shower shower working
- Replies: 1
- Forum: DIY Plumbing Forum
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Boiler power cable on hot pipe and water pipe pressed on isolator switch
hi, I’m wondering, is this cable safe to be going around the very hot copper pipe as it is and is the white pipe okay pressed against the isolator switch? Gas engineer came to do it today. Just seems a bit risky to me so wanted to check I’m not going die if something leaks or gets too hot.- Tomlinsc
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- boiler boiler installation cable electric boiler hot isolator pipe power safety switch water
- Replies: 4
- Forum: Central Heating Forum
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power tools needed to install central heating
what power tools are needed to install a central heating system? -
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Power shower pump issue
HI I have a triton as2000xt power shower thats been a pain from installation. I had to call the plumper back because the water was not coming through properly and pump was running dry for about 20-30 seconds. It took a while to get the plumber back in to find he fitted the flange pipes the wrong... -
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Converting power shower to electric shower
Hello, first post here, thanks for having me. I have a power shower in my house, obviously it has both a cold and hot water supply. I want to convert it to a Triton 9kw shower. I am upgrading the cable size to 10sq and also the RCBO size. What I want to know is if it is okay to block off the... -
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Delay in power shower.
I had a new power shower pump installed about two years ago as the previous one was leaking. For quite some time the pump kicked in immediately the tap was turned on. However recently there is a delay of up to three seconds. Is there anything I can do about this? -
Power flush advice needed
Hello, Been out to one of my ladies and she has filled her CH system with a leak sealer... Over christmas as she had a pin hole in towel rail. Called me out for other bits and mentioned this I went in to loft and looked on F&E and it's is only about an inch over tank connector and has...- DripsnDropsBognor
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- advice america flush needed power power flush usa
- Replies: 2
- Forum: USA
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Worcester filter power flush adaptor
Does anyone know if you can buy an adaptor to fit on the unions of the worcester filter so you can connect magnaclense power flush machine connections ?- eagleeye
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- adaptor filter flush power power flush worcester
- Replies: 8
- Forum: Central Heating Forum
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Overflow into small f&e tank - coil broken or power flushing needed - or both
water overflows into small f&e tank, about one bucket every 30 mins, is slightly rusty colored, have traditional system, hw cylinder 30+ years old, pumped heating, vented system, radiators also mostly quite old (30+ years), heating works well, NOW MY PROBLEM - one plumber says there is a split... -
Mira Event Power Shower hot feed stopped working
I have a Mira Event XS Thermostatic power shower which I installed about a year ago. Today it has stopped working properly, as if it is only receiving water from the cold feed. The pump is working and water is coming out with good pressure when the thermostatic control is on cold. As soon as I...- DIY newbie
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- event hot mira power power shower shower stopped working
- Replies: 4
- Forum: USA
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Reduce the power of gas burner by lowering the motor rpm
Hey guys ! We have a big industrial boiler (installed to provide heating for 80 apartments) which comes with a natural gas burner. The burner has a 4KW 3000RPM motor which provides the air flow to the burner, is it possible to replace the motor with a 1500RPM motor to reduce the heat output of...- FiFtHeLeMeNt
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- burner gas motor power reduce
- Replies: 9
- Forum: Central Heating Forum
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6 Shower Power Boosters Give Away Competition
A plumbing magazine is showcasing ShowerPowerBooster and they are also running a competition to win one of three SP22S ShowerPowerBoosters A SP22S is two fully automatic ShowerPowerBoosters retailing at £200 each (6 pumps) Entry is free! Just Click on the link below to enter the competition...- Alan Wright
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- advertise power shower
- Replies: 30
- Forum: Plumbing Jobs | The Job-board
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