Honeywell RTHL3550D Non-Programmable Thermostat Repair

Honeywell RTHL3550D Troubleshooting

• [linked product missing or disabled: IF145-032-1]
• Wire Strippers
• Spudger (spatule antistatique)
• Coin
• Level
• Drill with Drill Bits
• Clamp or Clothes Pin or Vise Grips

The Honeywell RTHL3550D Non-Programmable Thermostat is easy to use with a large, backlit digital display and push-button operation. Features include:

• Large backlit digital display
• Display options — degree Celsius or Fahrenheit temperature
• Easy-access battery replacement
• Set point retained in memory (in the event of power outage)

Honeywell Device Page and Manuals

Device at Home Depot