Avoid using 90* elbows when installing stove pipe. Use 45* elbows whenever possible for horizontal…
Model 1500 Renaissance Rumford installed in a Great Room
Air source heat pumps are dependant on outside air temperature and become less efficient as the temperature drops. We recommend -10C as a set point where the heat pump should default to a backup heat source
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The gray water line is Polybutylene (Poly-B for short) and is no longer manufactured. The product line was discontinued due to the potential for breakdown given certain chlorine levels in the water and a particular kind of fitting, both of which were not an issue in Canada. These pipes, given they are correctly installed, will most likely outlive the house here in Canada and should not be a cause for concern. Poly-B has given way to a number of different waterline manufacturers, the most common one being Crosslinked Polyethylene, better known as Pex, used extensively as a substitute for more expensive plumbing systems such as copper.
See the following link for more info:http://www.pexinfo.com/
