Blower Runs but No Heat
This isolates the fault to ignition, not the blower motor. Check LP supply pressure, the sail switch (which confirms airflow before allowing ignition — a common failure point), and the igniter/electrode assembly for c...
Owner guide
RV Furnace Troubleshooting Guide (Suburban & Atwood)
Suburban and Atwood forced-air furnaces — the ducted heating system, not the water heater sharing the same brand name. This isolates the fault to ignition, not the blower motor. Check LP supply pressure, the sail switch ...
Active corridor: Montana · Wyoming · Idaho · Washington — case-by-case beyond.
Field notes
Suburban and Atwood forced-air furnaces — the ducted heating system, not the water heater sharing the same brand name. This isolates the fault to ignition, not the blower motor. Check LP supply pressure, the sail switch (which confirms airflow before allowing ignition — a common failure point), and the igniter/electrode assembly for carbon buildup or a cracked ceramic.
Furnace Won’t Start at All
Check 12V supply first — furnace ignition boards are voltage-sensitive and won’t attempt ignition below a threshold the thermostat display may not warn you about. After that, check the thermostat’s own battery or wiri...
Weak or Uneven Heat Through the Ducts
Usually a duct or register obstruction rather than a furnace fault — check that nothing is blocking floor registers, and that the return air path to the furnace itself is clear. A furnace short-cycling (starting and s...
Related
LP Gas TroubleshootingWater Heater TroubleshootingWinterization GuideLP Gas Systems & SafetyBack to Field Guide
Related: All guides · Book a Service · Pricing
Pricing teaser
Trip fee $75 within 30 miles, then $1.50/mi. Labor ~$150/hr (1-hour minimum, billed in 30-minute increments). Diagnostic $150 applied toward repair if you proceed.
Active corridor: Montana · Wyoming · Idaho · Washington — case-by-case beyond. Credentials (text): Victron Professional Certified Installer · weBoost Authorized Installer · Peplink Certified Associate · Dometic Professional Certified.