Hart & Cooley 7RN8 Increaser 7 in ID x 8-3/8 in OD Dia

Product Description

The Hart & Cooley 7RN8 increaser is a double-wall, air-insulated B-Vent system component secured by locking joints. Constructed with a galvanized outer pipe and aluminum inner pipe, it provides corrosion protection. The simple two-step engagement helps installers achieve quick and easy installation by engaging pipe sections and securing them with a lock ring over security tabs.

• Secured by locking joints to prevent separation through vibration.
• Galvanized outer pipe and aluminum inner pipe provide corrosion protection.
• Simple two-step engagement allows for quick and easy installation.

Product Highlights

The Hart & Cooley increaser is for use in type B gas vent systems, featuring a double wall and galvanized steel construction.

Product Information

Standard Information

• Brand: HART & COOLEY
• Manufacturer Part Number: 7RN8
• Country of Origin: Domestic

Technical Specifications

• Color/Finish: Galvanized
• Diameter: 7in ID x 8-3/8in OD
• Domestic/Import: Domestic
• Larger End Size: 8.375in
• Length: 5.375in
• Material: Steel
• Series: RN Series
• Smaller End Size: 7in
• Temperature Rating: 400 deg F
• Type: Double Wall
• Thick: 0.018 in thick G-90 galvanized steel
• Use: For type b gas vent system