Z-flex ZF-2SVSRCF03 3 Inch Z-vent Rain Cap

Product Description

The Z-FLEX ZF-2SVSRCF03 is a 3-inch rain cap designed for use with Z-Vent factory-built special gas vent pipe systems. Constructed from AL29-4C stainless steel alloy, this cap protects the vent termination from rain intrusion while allowing exhaust gases to exit freely. Z-Vent components are UL tested and listed to UL1738 and S636, making them suitable for Category II, III, and IV appliance venting in both positive and negative pressure configurations. Licensed HVAC technicians and gas fitters install this cap as part of a complete Z-Vent flue system on condensing and non-condensing appliances.

This rain cap is approved for flat roof and chimney flashing applications, giving installers flexibility across residential and light commercial job sites. It is sized for 3-inch Z-Vent pipe and is suited to termination points where weather protection is required at the vent outlet. CAT II, III, and IV approval makes it compatible with a wide range of high-efficiency gas appliances that exhaust at lower flue temperatures and may operate under positive or negative vent pressure.

Key Features

• AL29-4C stainless steel construction rated for corrosive condensing flue gas environments
• UL tested and listed to UL1738 and S636 standards
• Approved for Category II, III, and IV appliance venting
• Suitable for both positive and negative pressure vent systems
• Compatible with flat roof and chimney flashing applications
• 3-inch diameter fits standard Z-Vent pipe of the same size

Compatibility

Designed for use with 3-inch Z-Vent factory-built AL29-4C special gas vent pipe systems in Category II, III, and IV venting applications, including flat roof and chimney termination configurations.

Installation Notes

Installation should be performed by a licensed HVAC technician or gas fitter in accordance with the appliance manufacturer instructions and applicable local mechanical codes. Shut down and allow the appliance and vent system to cool completely before handling any vent components. Verify that the rain cap diameter matches the installed Z-Vent pipe size before securing the termination. Inspect the flashing seal at the roof penetration to prevent water infiltration after the cap is installed.

Technical Specifications

• Pipe Diameter: 3 inches
• Material: AL29-4C Stainless Steel
• Pressure Rating: Positive and Negative Pressure
• Listings: UL1738, S636
• Category Approval: CAT II, III, IV
• Weight: 0.99 pounds

Standard Information

• Brand: Z-FLEX
• Manufacturer Part Number: ZF-2SVSRCF03