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Layout at back of furnace
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Topic: Layout at back of furnace (Read 5098 times)
DBeleskey
Jr. Member
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Posts: 95
OWF Brand: Polar
OWF Model: G2
Novar ON
Layout at back of furnace
«
on:
August 29, 2019, 08:17:50 AM »
I have a Polar G2 and I am just getting ready to install the pump at the back of the furnace. I went with a Grundfos 26-99(thanks for the input on my previous post). While I'm waiting for the pump to arrive I'm thinking of how to layout the install in the furnace.
I have LogStor pipe running up through the pad. What I'm wondering is how much should I leave sticking up and how far back should I strip the insulation. Also, for the flange and pump, should I keep the pump as close as possible to the manifold of the furnace?
I have tried looking around for some pics to give me some ideas but can't seem to find any.
Any recommendations would be appreciated.
Thanks
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Polar G2
580 Case
Kubota F2100
Stihl 028
Stihl MS261
Living the dream...
Near Novar Ontario Canada
RSI
Hero Member
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Posts: 3100
OWF Brand: HeatMaster
OWF Model: G200 and B250
Re: Layout at back of furnace
«
Reply #1 on:
August 29, 2019, 10:46:53 AM »
You want the insulation up inside the stove and high enough that it will never get wet above where you strip it. You can leave it higher but it will be much harder to align the pipes.
I would put a valve right on the outlet fitting and then mount pump right to that. I usually don't put a valve after the pump because if you close the return valve then no water comes out from that pipe when you change the pump.
If you look at the picture on reply #27 here
https://outdoorwoodfurnaceinfo.com/forum/index.php?topic=9063.15
there is a short piece of pipe above the pump. If there are any clearance problems you might have to do that but doesn't really look like it from the pic. Having the pump up that extra few inches will help a lot if you are running the pex right to the pump and not using rubber like in the picture.
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mlappin
Fabricator Extraordinaire
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Posts: 4140
OWF Brand: homebuilt, now HeatmasterSS
OWF Model: Martin Steel Works Gen 1 then, now a G200.
North Liberty, Indiana
Re: Layout at back of furnace
«
Reply #2 on:
August 29, 2019, 07:39:20 PM »
Another thing that makes life MUCH easier, there is no absolute must on which pipe is supply or return. Hook the one that’s easiest to the lower connection which should be the pump. Other one can run to the top for return. One stove I install the pipe with the tape stripe might be supply, next stove it maybe return, make your connections in the house accordingly.
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Stihl 023
Stihl 362
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Homemade skid steer mounted splitter, 30" throat, 5" cylinder
Wood-Eze model 8100 firewood processor
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DBeleskey
Jr. Member
Offline
Posts: 95
OWF Brand: Polar
OWF Model: G2
Novar ON
Re: Layout at back of furnace
«
Reply #3 on:
August 30, 2019, 06:38:16 AM »
Thanks guys.
I see in the pics that copper is used from the manifold to the valve and what looks like galvanized elbow on the return. Using that method would make connections much cleaner and simpler.
I have some rubber hose that I want to run between the logstor and the pump. Would it be okay to put a loop in the rubber hose to allow for some movement or should I just leave a little slack ?
It turned out that the pipe markings work for the house but might be better changed for my garage run when I do that...
«
Last Edit: August 30, 2019, 06:40:42 AM by DBeleskey
»
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Polar G2
580 Case
Kubota F2100
Stihl 028
Stihl MS261
Living the dream...
Near Novar Ontario Canada
slimjim
Full Member
Offline
Posts: 158
OWF Brand: Wood Doctor / HeatMaster
OWF Model: 14,000. / G 200 and G 400
Southern Maine
Re: Layout at back of furnace
«
Reply #4 on:
August 30, 2019, 12:33:09 PM »
Don’t loop it, it will kink, just leave it a bit long and the automotive heater hose will stretch if it needs to.
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Wood boiler sales, service and installation for the Northeastern USA.
DBeleskey
Jr. Member
Offline
Posts: 95
OWF Brand: Polar
OWF Model: G2
Novar ON
Re: Layout at back of furnace
«
Reply #5 on:
August 31, 2019, 08:43:37 AM »
Okay thanks. Sure wouldn't want that pipe to kink, just a little longer it is..
Logged
Polar G2
580 Case
Kubota F2100
Stihl 028
Stihl MS261
Living the dream...
Near Novar Ontario Canada
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Layout at back of furnace