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Which Buderus to choose - G115WS/5 or G215WS/3
I am trying to figure out which of these oil fired boilers I should choose. Both of the boilers have similar features. I wanted to go with the G115WS/5, but I am concerned about the size of the Return piping being only 1". That seems too small to me. My current piping is 1 1/4" and I just added DHW on a 3,000 square foot old farm house. One inch justs scares me.
Here is the comparison of the two models. Any thoughts areciated
G115WS/5 vs G215WS/3
Vent Size 5/6"
Supply Pipe Size 1 1/4" / 1 1/2"
Return Pie Size 1" / 1 1/2"