You can only put the gas heater option ,the heat won't be much so just it. the house boiler is just useless so i don't recommend any one to use it .
http://en.wikipedia.org/wiki/Boiler Should be everything you need to know
new boiler and hot water heater
NONE a boiler is a boiler and a water heater is a water heaterSEE ASME section IV or the NBBI
Domestic coil in boiler better than electric water heater.
Labor alone for a residential boiler would be around $800 while a water heater would be around $210-$300. These are typical rates for Connecticut anyway.
we can increase boiler efficiency by recovering the heat which is being carried by flue gases.by incorporating different things like Economizer, Air pre-heater , Super-heater and feed-water heater, we can there ll be notable increase in efficiency of boiler.
heater, boiler, oven
If you are using water and not steam there should be a temperature controller mounted in the side of the boiler, that is where the start and stop point of the boiler is controlled.
== == It is accomplished by adding an indirect fired water heater and controls.
the boiler.
You can find every part you need for your boiler at gasboilerspareparts.com
It needs to be installed on each part of ontario gas code