tankless water heater

Discussion in 'Modify Truckmounts & Portables' started by economyclean, Mar 1, 2011.

  1. economyclean

    economyclean New Member

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    i see everyone posting about the little giant heater and such and was wondering if you could use a residential tankless propane continous water heater. Is this possible with a TM setup? Will it keep up with the demand? I can get one of these fairly cheap from a contractor friend of mine. Was just wondering what you guys thought. Thanks
  2. Red Carpet Care

    Red Carpet Care Member

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    The less expense ones bust- the coil is only rated to up to 150psi- however, if it is rated for the pressure you feed it, I wouldn't see why not. I saw a guy put a Rinnai on a WorkMaster once- it was for sale on Ebay.

    The rule of thumb is to either go with proven stuff, or be a beta tester for the rest of the forum...
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  3. Ara Klujian

    Ara Klujian Moderator & TMF Repair Expert Moderator

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    Yes but you have to convert it to propane. Palomas are nice.
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  4. wandwizard

    wandwizard Well-Known Member

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    I used to use the Paloma tankless water heater like Ara mentioned for several years to heat the water going into the machine. I was using an electric truck mount at the time. The Paloma worked well as a pre-heater to keep the clean water tank full of hot water up to around 150 degrees. On a good day I could get maybe 160 degrees. That heater would not work well, if at all, as a post heater,ie. heating the water after it leaves the machine. I switched out to the Little Giant 3 HT which worked excellent as a post heating system and was considerably hotter than the Paloma on it's best day. What you are wanting to do will probably work and give you good hot water if it's the type of heater similar to a Paloma. This is similar to the type of Paloma I used to use and it was very reliable, just not near as hot as the Little Giant. http://www.gaswaterheaters.com/paloma/
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  5. Kevin Dumas

    Kevin Dumas Well-Known Member

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    Hydramaster used the German brand? Junkers tankless heater on their early hydracats.
    Had one for years, I think Bosch bought Junkers out. Nice heater.
  6. Rob Allen

    Rob Allen Administrator Staff Member Administrator

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    I wish someone would come out with a 12 volt diesel post heater made just for our applications. They would sell a ton imo. No one ever has enough heat unless they have a fuel or propane fired unit.
  7. Timothy

    Timothy Well-Known Member

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    That looks like it would work.
  8. Ara Klujian

    Ara Klujian Moderator & TMF Repair Expert Moderator

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    Rob the heater on the ElDiablo can be converted to 12V. That type of system has been around for a very long time. 12v activated ignitors do not produced nearly as good an arc as 120v transformer. 120v AC systems produce a better arc which in turn provides more heat and is much more trouble free. 12v diesel burners have problem after problem after problem. Pretty much a nightmare to run.

    Randy, I don't know what Paloma you had, but when I had mine it would always cook 250* easily. And it kept up with heat when pushing volume during pressure washing.
  9. leuj20

    leuj20 Premium VIP

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    [​IMG]


    Commercial Water Heater - Hot Box Series
    -Continuous Water Heater
    -Instantly upgrades cold water pressure washers to HOT WATER
    -Quick-connects to any pressure washer up to 4000 PSI
    Automatic burner shutdown
    Does not run hot water through your pressure washer
    Stainless steel coil wrapper
    Heavy-gauge powder-coated steel construction
    Adjustable thermostat
    9 gallon diesel tank
    Temperature rise from 200-220 degress F
    120V AC with 8-foot power cord
    Easy to operate and move
    Cuts grease using less chemicals
    On wheels or stationary, your choice
    120V or 12V, 5 amps

    Optional Items
    Stainless Steel Tank
    Model Specifications And Pricing

    HBS3020 3.0 GPM 2000 PSI (Stationary) $1395.00
    HBS4040 4.0 GPM 4000 PSI (Stationary) $1575.00
    HBS5540 5.5 GPM 4000 PSI (Stationary) $1625.00
    HBS8030 8.0 GPM 3000 PSI (Stationary) $1850.00
    HBP5540 5.5 GPM 4000 PSI (Portable) $2300.00

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