Lrichy 3316250.712 Upgraded RV Thermostat for Dometic CT

The Lrichy 3316250.712 is a direct-replacement 12V DC, 3-wire RV thermostat with upgraded capacitive touch controls compatible with Dometic CT systems.

This compact thermostat replaces the Dometic 3316250.712 style control for RVs that use a 3-wire, 12V DC wiring layout. It combines a clear blue backlit display with touch-sensitive buttons and supports both heating and cooling in a single-zone setup. Before ordering, confirm your existing thermostat has three wires and runs on 12V DC — this unit will not function on 2-wire or 6-wire systems.

How will this thermostat improve comfort in my RV?

The Lrichy thermostat provides precise setpoint control for your furnace and air conditioner with a user-friendly capacitive touch interface. Temperature adjustments are immediate and the display is easy to read at a glance, helping maintain a stable cabin climate. It supports three fan speeds and displays readings in Fahrenheit or Celsius.

• Single-zone heating and cooling control for consistent cabin temperature
• Fan speed options: low, medium, high for flexible airflow
• Furnace range 40°F–90°F; AC range 55°F–90°F
• Toggle between °F and °C by holding both arrow buttons

Will this thermostat fit my RV and replace a Dometic unit?

This model is built as a compatible replacement for systems using the Dometic 3316250.712 wiring pattern when the RV uses a 3-wire 12V DC thermostat. It is not compatible with 2-wire or 6-wire thermostats, so remove your old unit and count wires before purchasing. Physical mounting and electrical hookups match typical RV thermostat form factors for straightforward installation.

• Designed for 12V DC, three-wire RV control systems
• Meant to replace Dometic 3316250.712-style controls
• Simple wiring layout replicates original connections
• Check wire count and voltage before installing

How easy is it to operate and set up?

Setup is intuitive: power the unit, choose mode, and adjust temperature with the up/down touch areas. The capacitive touch surface gives responsive input without mechanical buttons, reducing wear. The blue backlight enhances visibility in low light, and basic functions like power, mode, and temperature toggles are straightforward.

• Tap ▲/▼ to change temperature; hold both to switch °F/°C
• Capacitive touch for smoother, longer-lasting control
• Backlit display for nighttime readability
• Controls both furnace and air conditioning modes

What warranty and support come with the thermostat?

Lrichy provides a two-year warranty and customer support for quality-related issues. The product includes a satisfaction-focused return and exchange policy so you can get assistance if an issue arises. Contact instructions are provided through the retailer for easy service requests.

• 2 years warranty coverage for manufacturer defects
• Refund, replacement, and support via retailer communication
• Customer-first approach to after-sales service

Who is this for: The Lrichy 3316250.712 fits RV owners and technicians seeking a reliable, modern replacement for a Dometic-style 3-wire, 12V thermostat. It’s ideal if you want a responsive capacitive touch interface, clear backlit display, and simple single-zone control for both heating and cooling. If your coach uses a different wire count or voltage, choose a thermostat match for that system instead.