Monitor your filter changes more effectively by dating the filter whenever you replace it
Uponor Controls and Poly pipe cladding on boiler copper lines
WETT is a a national standard that is now applied to all wood-fired installations. WETT is an acronym for Wood Enengy Technology Transfer, a non-profit association that promotes the safe and effective use of wood appliances. WETT certified inspectors have taken a comprehensive week long course and are required to maintain their certification by way of an upgrade course every five years.
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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/
