Electrical surge protection is a common consideration for all our electronics in the home.
An Uponor plumbing system features Engel-method crosslinked polyethylene (PEX) tubing. This is a flexible plastic tubing product that has been used for more than 35 years in radiant floor heating, plumbing and fire safety systems.
Commercial hydronic multi boiler install with allied electric boilers
Pellets, like conventional wood, differ in variety and some wood species perform better than others. It has been our experience that burning premium grade pellets, like fir, provide for more heat, less ash and less sooting due to moisture content. Though they tend to be more expensive they will most likely save you money in the long run as you will require less fuel and maintenance
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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/