Ao Smith 100112410 Storm Collar 4 Inch Non-condensing

Product Description

The AO SMITH 100112410 is a 4-inch storm collar designed for non-condensing vent pipe installations. It mounts directly onto the vent pipe at the roof penetration point, creating a weather-tight seal around the roof flashing to prevent moisture and rain infiltration. This component is a critical part of any properly finished venting installation and is typically installed by licensed plumbers or HVAC technicians during water heater or boiler venting projects. The collar seats against the flashing and the vent pipe to close off the gap where water could otherwise enter the structure.

This storm collar is rated for non-condensing vent applications and is sized for 4-inch vent pipe. It is used in residential and light commercial installations where a tankless water heater or similar appliance requires a vertical vent run through the roof. Compatible models include Takagi T-KJr2-IN, T-K4-IN, T-D2-IN, T-M32, and T-M32-ASME tankless water heaters, making it a direct-fit accessory for those venting systems.

Key Features

• Designed to prevent moisture and rain intrusion at the roof flashing interface
• Attaches directly to the vent pipe for a secure, flush fit
• Sized for 4-inch non-condensing vent pipe installations
• Compatible with select Takagi tankless water heater models
• Provides a finished, weather-resistant seal at the roof penetration point

Compatibility

Compatible with Takagi models T-KJr2-IN, T-K4-IN, T-D2-IN, T-M32, and T-M32-ASME. Designed for use with 4-inch non-condensing vent pipe systems.

Installation Notes

Installation is typically performed by a licensed plumber or HVAC technician as part of a venting system rough-in or replacement. The appliance and any associated gas supply should be shut off before beginning work on the vent stack. The collar should be slid onto the vent pipe before the pipe is secured to the flashing, then seated firmly against the flashing base. Follow all applicable local codes and manufacturer venting instructions for proper clearances and fastening methods.

Technical Specifications

• Product Type: Storm Collar
• Vent Type: Non-Condensing
• Size: 4 inches

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100112410