Run RTU Gas Heat Section Pre-Heating Season Inspection — Free

Unit Identification and Safety Setup

RTU identified and work order matches unit location critical (required)

Yes No N/A

Lockout-tagout applied before opening gas heat compartment critical (required)

Yes No N/A

PPE appropriate for gas heat inspection worn critical (required)

Select all PPE used for this inspection.

Area around RTU safe and accessible

Verify roof access, clear footing, and unobstructed access to the unit.

Yes No N/A

Ignition Components

Igniter resistance measured within manufacturer specification critical (required)

Igniter element free of cracks, chips, or discoloration critical (required)

Yes No N/A

Igniter wiring and connectors secure with no heat damage

Yes No N/A

Ignition compartment free of debris and moisture

Yes No N/A

Flame Sensor and Burner Area

Flame sensor cleaned and free of oxidation or buildup critical (required)

Yes No N/A

Flame sensor positioned correctly in burner flame path critical (required)

Yes No N/A

Burners show no visible rust, blockage, or abnormal wear

Yes No N/A

Burner compartment clean and free of lint, soot, or loose insulation

Yes No N/A

Heat Exchanger and Gas Train

Heat exchanger visually inspected for cracks, corrosion, holes, or soot trails critical (required)

Yes No N/A

Gas valve, unions, and fittings show no visible leakage or deterioration critical (required)

Yes No N/A

Gas piping supports and joints are secure

Yes No N/A

Combustion air openings unobstructed

Yes No N/A

Flue and Venting

Flue/vent path clear of blockage, nesting, corrosion, or damage critical (required)

Yes No N/A

Flue termination secure and properly routed

Yes No N/A

No evidence of flue gas leakage, staining, or backdraft at compartment critical (required)

Yes No N/A

Get your results

Enter your email — we'll send you a PDF of your filled-out template, plus the occasional MangoScoop newsletter (templates, workflow tips, product updates). Unsubscribe anytime — link is in every email.

Email (required)

Your name (optional)

Run: RTU Gas Heat Section Pre-Heating Season Inspection

Unit Identification and Safety Setup

Ignition Components

Flame Sensor and Burner Area

Heat Exchanger and Gas Train

Flue and Venting

Get your results