Wfp Hot Water Temperature?

Discussion in 'Water Fed Pole Cleaning' started by Adam Bartlett, Mar 22, 2013.

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  1. Adam Bartlett

    Adam Bartlett Member
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    Hi guys I have recently bought a couple l5 eccotemp heaters for my system. The problem I seem to be having though is the water loses the majority of its heat while passing through the hose? Its meaning I'm having gas on very high to enable the time it leaves my brush head to be warm.
    Can any other hot water guys tell me how you guys get on? and any other general tips regarding using the heated systems
    Thanks

    Adam Bartlett
    www.adam-bartlett.co.uk
     
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  2. bluemonkey

    bluemonkey Guru
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    it will, as hose is on ground and it has been cold, set temp to mim on boiler, it will be fine
     
  3. Adam Bartlett

    Adam Bartlett Member
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    Cheers. Its just using alot more heat than i was expecting but I've been trying to keep a decent heat to really benefit on some first cleans I've been doing
     
  4. HotWash Window Cleaners

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    What hose do you use? How long is your hose? What pump psi?
     
  5. Adam Bartlett

    Adam Bartlett Member
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    35psi through 100metre 8mm standard hose which i use to its maximum spread out majority of time, Heat coming out very hot steaming through heater and very hot first 20metres of hose still but by time reaches brush its just lukewarm at best :/ How do you get on?
     
  6. kevinc250

    kevinc250 Well-Known Member
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    you are always going to lose heat through the hose adam,my l5 settings are water min and gas about half way-though needs some playing with/probably lower this a tad-you just gotta play with it and record it all in relation to outside temps so next month when the cold comes again you can adjust it to suit and crack on
     
  7. Adam Bartlett

    Adam Bartlett Member
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    I know its just a hell of alot more heat loss than was expecting, i've had gas on 3/4 last week trying get decent heat but struggling to realise the benefits was hoping for with hot water. Was still noticable like but just not what was hoping if know what i mean.
     
  8. kevinc250

    kevinc250 Well-Known Member
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    top tip ;) ;) :ph34r: :ph34r: ;) pop a tap washer on the outlet hoselock connection,causes a bit of backpressure and the heater will use a lot less water for the same heat,turn the water flow on the l5 to min gas to less than half and go from their,i did have a flow restrictor on the inlet side-great bit of kit-but i broke it and can't remember the code etc to order another,nathaneal jones is the man to answer all these questions and more.
     
  9. HotWash Window Cleaners

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    Try some hose designed for hot water use. The reinforced 8mm Id thermo bore will help an awful lot with temperature loss. Try using a different pump, perhaps a 100 psi. I was told 1psi per metre of hose. I only lose 17°c from heater to brush head at 100m. Heat to 60 hits glass at 43°c 100m hose 100psi pump. Diesel water heater.
     
  10. MarkB

    MarkB Member
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    use 50m of hose instead of 100m and turn your flow rate up! the water from your tank will hit the glass in half the time so will actually be warm instead of stone cold
     
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