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1

General Outdoor Furnace Discussion / Re: one cast rad on same zone as radiant heat.

« on: January 05, 2015, 03:32:48 PM »

I am not an expert, but I would try raising your temp. to around 150 to 160, and see if it gets hot.  120 seems low?

2

General Outdoor Furnace Discussion / Re: Fixing to purchase OWF

« on: December 23, 2014, 04:35:25 AM »

I have thermopex in the ground about 100 feet from the house.  I have a temp gauge at the boiler and one when it comes in the house and it is only down about 1/2 degree.  So I could see zero heat loss at 200 feet.  Heck your gauge could be off a couple of degrees from your other one.

3

Home Made / how long to get the water to temp.

« on: November 02, 2014, 10:58:49 AM »

Was wondering how long it takes your water to get up to temp when you first start your boiler for the season? Thanks for the responses in advance.

4

Home Made / Re: Need help with wiring.

« on: April 30, 2014, 03:41:06 PM »

Thanks  I looked at the taco relays on line today.  They look pretty simple. 

5

Home Made / Re: Need help with wiring.

« on: April 30, 2014, 02:38:21 AM »

I got ya now.  Will I need something special to wire up the two thermostats?

6

Home Made / Re: Need help with wiring.

« on: April 29, 2014, 06:03:10 PM »

Thanks for the replies.  I am a moron when it comes to wiring.  I am thinking about having three pumps, one for the radiant floor heat, one for the cast iron radiators, and one for the garage, and then two thermostats one for the garage and one for the house. 
RSI, You said keep the indoor wiring completely separate from the outdoor?  I don't have an indoor system if that is what you meant.

7

Home Made / Need help with wiring.

« on: April 29, 2014, 01:48:02 PM »

I just joined this forum today, and I've read about every post about building a furnace.  I have a new home that I just finished, and have been heating with a Fisher 2 wood stove.  I want to install radiant floor heating for the first floor and old cast iron radiators for the second floor.  I also want to be able to heat my garage (just to keep it above freezing).  I know how I want to build the furnace, I'm having trouble understanding how to wire it with the aquastat, thermostats, circulating pumps, and blower.  My first Question is do most people have there pump running all the time?  I would like to have a thermostat in the house and the garage.  Then when one would call for heat it would kick on the blower and the circulating pump.  Does this like a good idea?  Or does one pump need to be running all the time to prevent over heating?  I'm starting from scratch with the wiring of the furnace so I can do pretty much do any thing there is now other heating system in the house that will be involved.  Thanks for any advice with the wiring you can give.