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Thread: Wet Back fires

  1. #16
    Member
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    Quite often you will see wet back on low pressure systems.
    On hi pressure I am pretty sure ( if I remember well) you will have a separate coil inside the cylinder acting as a heat exchanger.

    For your low pressure system supplied by a water tank, you can have a heat trap ( specific way the pipe work is supplying you cylinder)to stop the hot water flowing back into your tank. ( ask your plumber to show you how it works, I can't draw one here).

  2. #17
    Member
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    I'm running medium pressure and have a coil aswell as solar
    IMO any one with a fire that doesn't have a wetback is a fool
    Your burning the wood so you may aswell heat some water
    308, 223nut and bigbear like this.

  3. #18
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    Could try a heat trace cable to get further distance but may be a case of diminishing returns power wise. We installed them on all hot water pipes in these luxury apts so they had immediate hot water but ended up disconnecting them for alot of people once they got their first power bill.

    Sent from my GT-I9295 using Tapatalk

  4. #19
    Member Maca49's Avatar
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    I'm with @Gibo, gas ! Tick,tick,tick.... boof instant and as much as you want hot water! LPG is a bit expensive, but no shitty fire box, firewood, time to heat, smelly smoke, stained paint or spiders!!! GO GAS
    223nut likes this.
    Boom, cough,cough,cough

  5. #20
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    Quote Originally Posted by Maca49 View Post
    I'm with @Gibo, gas ! Tick,tick,tick.... boof instant and as much as you want hot water! LPG is a bit expensive, but no shitty fire box, firewood, time to heat, smelly smoke, stained paint or spiders!!! GO GAS
    I'd be going gas if a new house... Maybe one day when I win lotto
    Maca49 likes this.

  6. #21
    Member oraki's Avatar
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    And when you're the last one to have a shower, you still have hot water
    Maca49 likes this.

  7. #22
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    Quote Originally Posted by Shearer View Post
    Our HWC will be above the fire (on the second floor) and no more than 2m away horizontally. Havent decided on a fire yet but want something about 20kw and whatever we can get power wise for the wet back. I have been looking at a Masport R5000 (compliant) but am open to suggestions. We will be 750m AMSL so winters are a bit chilly.
    The R5000 is a good fire and the Masport wetback that is a stright pipe with twists is 1.7kw tested so is bloody good for a clean air approved fire.
    We had a fair amount of problems with the Metro 4kw wetback melting.
    Just make sure your house can handle a 19kw fire run hard to produce the hot water.

    Sent from my SM-G900I using Tapatalk
    Shearer likes this.

 

 

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