4" to 3" Reducer for Innoflue SW
Brand: Centrotherm
Part#: ISRD0403
Usually ships: within 5-7 business days
This adapter allows to reduce Innoflue SW (single wall) pipe size from 4" to 3". For vertical installation only.

Features:
  • Innoflue SW (Single Wall) is the only polymer vent system on the market listed to UL 1738
  • Accepted and approved by over 50 North Amercian manufacturers of boilers, water heaters and furnaces
  • Suitable for natural gas, propane and fuel-oil condensing and non-condensing (flue temp. below 248°F) appliances
  • All parts (pipe, fittings, etc. - both black and grey) are UV resistant and suitable for indoor or outdoor installation
  • Requires no primer/glue and does not leach chloride like PVC & CPVC
  • Costs less and is faster and easier to install than stainless steel venting, no special tools needed, zero clearance to combustibles
  • Industry-leading 2mm wall thickness
  • Built-in gasket allows for adhesive-free installation which can be adjusted at any time
  • May be installed through a wall, chimney, chase or between joists
  • Lightweight, requires minimal support
  • Made in the USA from environmentally-friendly PolyPropylene (PP).
 
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