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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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.
Uponor Controls and Poly pipe cladding on boiler copper lines