Stainless Steel Fan & Motor Assembly for New and Old SWG-4HD & SWG-4HDS Venters

Professional-Grade Venting – SWGII-4HDRMK Stainless Steel Fan and Motor Assembly

Optimize mechanical venting performance with the SWGII-4HDRMK stainless steel fan and motor assembly. This all-in-one unit integrates the blower, motor, and vent hood, delivering robust performance for both new and legacy SWG-4HD and SWG-4HDS applications. Built to meet rigorous commercial and residential demands, the assembly is ETL and cETL certified and constructed from durable stainless steel for long-term reliability in negative pressure venting systems.

Engineered for Demanding Installations

Designed to support combustion gas removal through sidewall venting, the SWGII-4HDRMK ensures safe and consistent operation by utilizing a fully negative pressure system. This configuration supports compliance with safety codes and minimizes installation complications in retrofit or new construction environments.

Key Features and Advantages

• ✅ Integrated Assembly – Combines blower, motor, and termination hood into a single, pre-engineered system.
• ✅ ETL/cETL Compliant – Approved for use with natural gas, LP gas, and oil-fired equipment.
• ✅ Full Negative Pressure – Venting system maintains 100% negative pressure for controlled exhaust discharge.
• ✅ Material Efficiency – Utilizes galvanized pipe for the vent run, reducing reliance on stainless steel ducting.
• ✅ Faster Assembly – Simplified venting layout and no pipe joint sealing requirements reduce labor time.
• ✅ Extended Run Capability – Capable of longer vent lengths compared to traditional direct vent configurations.
• ✅ OEM-Endorsed – Selected by major heating equipment manufacturers for reliability and compatibility.

Technical Overview

• Construction: Heavy-duty stainless steel
• Application: Compatible with SWG-4HD and SWG-4HDS models, both new and replacement
• Operating Principle: Maintains full negative pressure for combustion safety
• Certifications: Listed by ETL and cETL for gas and oil appliance venting

Installation Guidance

While streamlined for ease of assembly, this component is intended for installation by licensed professionals familiar with gas venting systems. Field adjustments and system balancing may be necessary depending on site-specific venting configurations. Always verify adherence to applicable mechanical codes and manufacturer specifications during setup.

For Licensed Installers

This venting solution is purpose-built for HVAC technicians and licensed plumbing contractors. Its rugged construction, pre-tested performance, and code-listed certification streamline job site requirements, reduce inspection issues, and enable efficient commissioning across a variety of heating systems.

System Upgrade Ready

By incorporating the SWGII-4HDRMK, installers gain a modular, compliant, and high-performance venting assembly suitable for commercial and residential retrofit or new installations. Its robust negative pressure design ensures consistent draft and flue gas control across varying operating conditions.