This Selkirk 187704 adjustable wall thimble is engineered for safely routing 4-inch round Type B vent pipes through combustible walls in HVAC/R systems. It creates a protected opening, preventing heat transfer to surrounding materials and maintaining the required clearances for fire safety. This component is crucial for residential and light commercial applications using gas appliances with Type B venting.
Constructed from durable 28 gauge galvanized steel, this wall thimble offers robust protection and corrosion resistance, ensuring longevity in various environmental conditions. Its adjustable design allows for flexibility in wall thickness, simplifying installation and ensuring a snug, secure fit. Proper selection and installation of a wall thimble are paramount for meeting building codes and ensuring the safe operation of the venting system.
Buyers searching for "Selkirk 4 inch B-vent wall thimble," "galvanized steel vent pipe thimble," or "adjustable wall penetration for gas vents" will find this product. It addresses the need for a reliable, brand-specific component to create a safe and compliant wall penetration for Type B vent pipes. Always consult manufacturer specifications and local building codes to confirm correct application and installation procedures.
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