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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: Dave Connolly on October 03, 2007, 09:21:49 pm

Title: Merlin Booster Pump....help needed!!
Post by: Dave Connolly on October 03, 2007, 09:21:49 pm

Hi Guys,
             Just received my booster pump for the merlin(70lpm,big brute of a thing)
Problem is I've calibrated it to the best of my ability but I can't seem to get it to run constantly.
       Original psi. is 31,booster pump switches on and it hits 65psi,cuts out and drops to 50 psi before it turns on again,then repeats and so on.
      Any body got this type of pump and can help with the calibrating??

Title: Re: Merlin Booster Pump....help needed!!
Post by: NWH on October 03, 2007, 09:54:35 pm

Dave how much did you pay please,that fills up a 500ltr tank in under 5mins.

Title: Re: Merlin Booster Pump....help needed!!
Post by: Alex Gardiner on October 03, 2007, 09:58:40 pm

Inside the plastic housing are two adjustment bolts (as you probably know).  I simply tighten both of these fully so that the pump will stay on all the time until the mains pressure increases.

Title: Re: Merlin Booster Pump....help needed!!
Post by: Alex Gardiner on October 03, 2007, 10:00:24 pm

Quote from: NWH on October 03, 2007, 09:54:35 pm

Dave how much did you pay please,that fills up a 500ltr tank in under 5mins.

Hi NWH

We have an ex-demo pump as pictured above in the workshop if you're interested.  Retail price £150, yours for £100 + Delivery + VAT.

Title: Re: Merlin Booster Pump....help needed!!
Post by: NWH on October 03, 2007, 10:03:51 pm

Is it in good nick Alex,if it is and it breaks down i will hold you personally resposible LOL.I will have it please i`ll ring Kirsty tomorrow or friday so you can pack it for me. ;D ;D ;D ;D ;D

Title: Re: Merlin Booster Pump....help needed!!
Post by: Alex Gardiner on October 03, 2007, 10:06:43 pm

Good nick? It's brand new!  Comes complete with manufacturer's warranty.  All that we have used it for is to pressure test it and check it works.  It's in a box ready to go.  By the way, it's quite large.  They look quite small in the little picture above.  It's a good 2 ft long by 2 ft high by a foot wide.  I'll let Kirsty know you'll be ringing tomorrow.

Title: Re: Merlin Booster Pump....help needed!!
Post by: NWH on October 03, 2007, 10:08:40 pm

I reckon Kirsty might throw in 10 meters of that transfer hose and a petrol pump style trigger if i ask her nicely. :o :o :o :o :o

Title: Re: Merlin Booster Pump....help needed!!
Post by: NWH on October 03, 2007, 10:09:56 pm

I will ring tomorrow, cheers Alex.

Title: Re: Merlin Booster Pump....help needed!!
Post by: Dave Connolly on October 03, 2007, 10:23:33 pm

Hi Alex whats your mains psi?

Title: Re: Merlin Booster Pump....help needed!!
Post by: a-r window cleanin on October 04, 2007, 06:09:51 am

I have one of these from Gardiners and after a few calls with Alex I just took the plastic cover off and tightened the two bolts fully.
It stays on constantly then!!!

Title: Re: Merlin Booster Pump....help needed!!
Post by: Alex Gardiner on October 04, 2007, 07:39:32 am

Quote from: Dave Connolly on October 03, 2007, 10:23:33 pm

Hi Alex whats your mains psi?

My mains psi is 105 which is why I have never needed a booster pump!