Suburban NT-SEQ furnace service prep
Use the official Suburban NT-SEQ furnace product page to collect model, grille, and no-heat details before service.
Owner-safe checklist
- Record the Suburban NT-SEQ or NT-16SEQ model, part number 2503ABK if visible, thermostat call, fan state, LP state, grille condition, and exact symptom.
- Shut the furnace off from normal controls and leave the area if propane odor or an LP alarm is present.
- Use Suburban, an Airxcel service center, dealer, or qualified RV furnace service for LP appliance, installed power, mounted parts, or service decisions.