8330D3351 – Coleman MACH 8xxx Series Digital Zone Thermostat

These will become obsolete and no longer manufactured in 2026 Black is no longer available. 

The 8330D3351 is a factory-authorized digital wall thermostat designed for Coleman MACH 8xxx Series rooftop air conditioners and heat pumps. It provides zone control for up to 4 single-stage cooling/heating units and 4 furnaces, making it ideal for multi-zone RV climate systems.

Replaces: 8330B3351, 8330D3311, 8430A3311

Black is No Longer available 

The 8330D3351 Coleman‑Mach 8xxx Series Digital Zone Thermostat is the OEM wall‑mounted control head used with Coleman‑Mach’s digital multi‑zone HVAC system. It pairs with the matching digital zone control boxes (such as 9430A751‑series) to manage cooling, heating, fan modes, and multi‑zone coordination across compatible rooftop A/C units and furnaces. The design is part of the later‑generation digital architecture—not the older 5‑button system—giving RV owners a cleaner LCD interface, more precise temperature control, and improved communication with modern control boxes.

What this thermostat does

• Controls multiple HVAC zones when paired with digital zone control boxes

• Supports cooling, furnace heat, and heat strip/heat pump depending on installed equipment

• Uses the Coleman‑Mach digital communication protocol (not compatible with 5‑button systems)

• Provides a modern LCD display with push‑button navigation

• OEM replacement for RVs originally equipped with the 8xxx‑series digital zone system

This model is commonly used in mid‑ to high‑end RVs where the factory installed digital zone system requires a direct‑fit replacement thermostat.

🔧 Key Specifications:

• Control Type: Heat/Cool Zone Control

• Voltage: 12V DC

• Display: Digital readout

• Zones Supported: Up to 4 AC/heat pump units + 4 furnaces

• Compatibility: Coleman MACH 8xxx Series control boxes (e.g., 8330C5081)

• Color: White

• Mounting: Wall-mounted

• Dimensions: 5.5" L × 3.75" W × 1.125" D

• Weight: ~0.5 lbs

• UPC: 799530757262

💡 Features:

• Controls multiple zones from a single location

• Turns zones on/off individually to save energy

• Sleek, user-friendly interface for RV comfort

• OEM replacement for existing 8xxx Series thermostats

• Not compatible with MACH 9xxx Series systems