Changes to Whole House Combustion Appliance Safety Test Procedure, NGAT Action Guidelines, and Make Safe Procedure

What will happen:

Whole House Combustion Appliance Safety Test Procedure, NGAT Action Guidelines, and Make Safe Procedure have changed for the 2019 program year. Please read through the updated documents and update your processes accordingly in the field, as soon as possible.

When it will happen:

April 1, 2019: Updated field processes should be fully implemented

What is new?

The following is a summary of the key changes that have been made. However, please make sure to review both documents in their entirety.

Whole House Combustion Appliance Safety Test Procedure

  1. Instances of the CO ‘fail’ threshold of 35ppm have changed to 26 ppm in Addendum #1 (NGAT Ambient and Flue CO Action Levels for GSR Calls) of the Whole House Combustion Appliance Safety Test Procedure

NGAT Action Guidelines

  1. Line 44: The description has changed to IMPROPER VENT TERMINATION DISTANCE, including:
    a) Natural draft vertical pipe terminating less than 4 feet from outside wall and not extended above roof.
    b) Horizontal vent pipe outside a wall and not extended above roof.
    c) Direct vent wall furnace terminated within 10 feet of a window wall AC or evap cooler and not 3 feet above roof and appliance does affect the living space.

  2. Removal of CIP NGAT Fail Code column

Make Safe Procedure

  1. Immediate Response (IR) CO measurement threshold instances of 35 ppm have changed to 26 ppm.

Download the Whole House Combustion Appliance Safety Test Procedure.

Download the NGAT Action Guidelines.

Download the Make Safe Procedure.

Critical Dates:

April 1, 2019: All testing must be done using the new guidelines.