pump

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  1. C

    Best water pump pliers

    What are the best grips/ water pump pliers for price and quality??
  2. Msitekkie

    Water Pump requires Type A differential switch (RCD?)!

    I am installing a DAB Divertron 1000 water pump in a rainwater harvesting tank and was surprised to discover that the enclosed "Safety Instructions" booklet states "The differential switch protecting the system must be correctly sized and must be of the "Class A" type. It must guarantee...
  3. B

    Solar panel and pond pump

    I have a solar panel which I want to use to power a pond pump. This is what I have so far: 100W, 12V solar panel 12v 9Ah lead acid battery 50W, 12V pump And a solar charge controller (12V, 10A). The pump runs perfectly off the battery. When I connect it all together on the controller, the...
  4. C

    Thermal overload 3 phase to single phase pump

    Boiler panel controlling a 3 phase grundfos pump. Pump was tripping thermal overload... Pump replaced for a single phase grundfos by engineer etc... I was asked to convert the control circuit to single phase which I did. But still tripping on the thermal overload. Set it slightly higher for...
  5. N

    pump running continuously

    anyone any dealings with British Gas wireless receiver WR1 ? pump on heating system seems to be running constantly ,boiler seems to switch off but come back on very quickly two zone valves seem to be operating as normal. pump is running even with programmer switched to off position,I'm just...
  6. M

    Wilo Pump Capacitor Replacement

    Hi All, new member here. I have a Wilo Gold RS50 pump fitted to a solar thermal system. I suspect the capacitor is faulty and wish to replace it. However, I cannot see the method to disconnect one of the capacitor leads (sited between the L & N connections). It is very tight and I don't want to...
  7. P

    Replacing 3 phase circulating pump

    Hi everyone I have a failed (seized and leaking) 3 phase circulating pump. A direct replacement is well into 4 figures I have a pump that will fit, and has enough flow to do the job, but it's single phase. The supply to the pump is via a contactor, and there is no neutral. Is there any way...
  8. L

    Heat pump diversity calculation question

    Hi, When calculating diversity. Does external air conditioning equipment such as heat pumps fall under heating and power in the osg such that you take 100% of the highest then 75% of the remainder? Thanks
  9. B

    Wiring for waste pump help

    Hi, anyone that could help me work out some wiring for a 3 phase waste pump and valve wiring? Will consist of RCD, MCCB, Contactor, Power supply unit, Logic relay and Meter controlling the hours, would be a help thanks I have pics so can send through messages
  10. T

    Air source heat pump heating issue

    Hi there, I have an air source heat pump with a few issues: 1. It gets stuck on defrost mode. When it goes to defrost, it gets stuck and ends up becoming an air conditioner in the depths of winter (fun). I suspect this may be a faulty valve (or what ever reverses the coolant) getting stuck on...
  11. D

    Pump running indicator

    Hello I have a submersible pump in a small well under my floorboards. Access to the pump area is very difficult but after making many improvements to drainage etc. I now need to know if it ever switches on. I have access to the electrical feed for the pump is there any simple device i can fit to...
  12. M

    Ford Transit petrol/lpg No starter motor no fuel pump no spark ?

    I have a 2003 ford transit petrol that has just had a replacement engine fitted The van was started and ran for a few miles without any problems I stopped the van and went to get a coffee when i returned to the van it did not want to start, thinking it was just fuel and a flat battery i went...
  13. Ian1981

    Overload protection to a central heating pump x2

    Is it a requirement to provide overload protection to a central heating pump rated at 2.77amps? I’m kinda under impression that an almost 3 amp pump jamming will get rather hot. I mentioned this to the heating installer who has requested we just installed 2 x isolators for the pumps through a...
  14. L

    *HELP* zafira b fuel pump wiring issue

    Hi guys, im wondering if someone could help me, i have a zafira b which for some unknown reason has a lamp solderd to 2 wires (live and ground i believe) which is the 12v supply to the fuel pump, when the lamp has either blown or one of the soldered connections have broke the car wont start. Can...
  15. G

    S/phase submersible pump starting problem.

    Hi, I have a s/phase submersible pump, remote float sw control, (capacitor run 20uF, capacitor start 100uF,) app 20years of age, 2in bore drawing around 6A when running on load. It has developed a problem on start up which i believe i have diagnosed and indicates that the capacitor start up...
  16. M

    Pump / battery and fuse advice

    Hi, mostly clueless by name and nature I'm afraid. I need to buy a pump that I can use to fill a motorhome water tank from a water carrier. In essence I will need to to shift about 60 litres of water at a time. I've found a 12v 6A pump that moves around 6l a minute - so it would need approx 10...
  17. S

    Smc commodore twin pump

    Hi all I have the misfortune of correcting someome elses work I have two commodore pumps, one room st and one cylinder st plus a standard boiler... how do I connect them all together? I can get everything working but have no independant control over each zone....
  18. A

    ASHP pump compatibility with power Supply

    Hi All I’m new to the group and not actually an electrician. But please don’t hold that against me! I’m after some advice please. I’ve come to a point in my building renovation where we are about to install a heat pump. Stiebel Elton WPL 25AS the forms for the pump had been filled in and sent...
  19. J

    Faulty Air source heat pump

    My NIBE F2015 air source heat pump which is only 7 years old has an apparent fan motor failure. The fan turns freely and the motor starter capacitor has been replaced but the unit will still not run. Any suggestions for a fix?
  20. Soulsurfer

    Fountain pump electrics!

    Hi again, Callout to a fountain in a very large property which the we can do it all foreign gardener types have tried to unsuccessfully change out a draper pump for it, picture cast lion heads spitting water out x 6! They said they couldn't get it running and showed me the little plug and...
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