Outdoor wood furnace hotwater heater help?

Question

I just purchased a central boiler outdoor furnace. wondering when hooking up to the water heater if anyone can tell me if they have problems with it ? I am thinking the tp valve may kick open due to the temperature of the water coming in from the furnace. I am thinking of hooking up a zone valve on the return side of the coil in the furnace to bypass the coil when heat has ended its call on the thermostat. any ideas of hooking up would be appreciated. Also thinking of something to turn the fan on when heat is being called for. Please let me know your setup with central boilers.

Answer 1

Go to www.centralboiler.com and then go to "HOW IT WORKS" on the left side of the webpage.  There are many detailed installation illustrations available on this website.  For more detailed installation illustrations go down to "More detailed variations..."  Are you using a shell/tube side arm heat exchanger?  The only way the tp valve will open is if it fails/faulty or if it is not rated at approximately 200-210 degrees F.  Remember, the water from the furnace never mixes with the water in your water heater (i.e. side arm heat exchanger).  The water coming in from the furnace is 165-195 degrees depending on your desired setting.  Check your tp valve, there should be a silver round tag on it that tells you what it is rated for in degrees farenheit and this should answer your question on the valve.  I just checked mine and it is rated at 210 degrees F.  Sounds like you are also connecting it to an existing forced air system.  If you install the system as recommended, your fan will come on when heat is needed.  Make sure to read your owner's manual.  You have available to you several tools here, you can also contact the dealer that sold you the furnace or Central Boiler directly if you have any questions on the illustrations they provide.