Acquire the in-depth knowledge and skills needed for Hi Efficiency Gas Furnaces.

The 90 Plus Gas Furnace training program explores the many aspects of installing, servicing, and diagnosing single and two-stage 90 plus gas furnaces as well as Modulating gas furnaces. Installing procedures discussed include converting the furnaces to meet various applications, Cat. IV venting, LP conversion, twinning, set up, and commissioning. Service and maintenance procedures include, sequence of operation (single. two-stage & modulating), key components, proper component diagnostics, and component replacement guidelines.

90% Gas Furnace Training Program

• Proper Condensate drain construction
• Airflow Considerations
• Venting
• Gas Piping
• Twinning
• Components
• IFC board & Dip switches
• Service Procedures

96V Furnace training

• Manifold Gas Pressures Hi/Low
• Econet Stat wire length
• Flame Sense Circuits
• ECM Motors
• IFC Dip Switches

M1 962V

• Contractor App Furnace Only
•  ID Boards Furnace only
• Constant CFM Blower Motor

Modulating Furnace

• Condensate Traps
• Inducer Assembly
• Pressure Switches
• Calibration Mode Cold & Hot
• Gas Valve
• LP Conversion
• Gas Valve pressure adjustment and measurement
• Gas Valve Communication test
• Burners
• Eco Net Communication Test

Date: Tuesday, August 26, 2025 at 9:00AM – 12:00PM
Instructed by Larry Marhofer & Dave Fletcher

Location: Northwestern Michigan College – 2525 Aero Park Drive – ROOM AL102  Traverse City, MI 49686