• Stainless Steel Vent Kit and Quick-Connect Fittings for HS-115 series compact boilers, sold separately.
Exhaust Backflow Prevention Kit (110484)
• Manufacturer recommended for use in cold-weather climates, this 4" protective vent pipe kit prevents cold air from entering into the vent system and protects the water heater components from damage caused by freezing.
• Easy snap-lock, leakproof, gasketed connections (no sealant required).
• High-quality, Category III stainless steel, with both vertical and horizontal terminations.
• UL listed.
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