4235 Braeburn 3 Heat / 2 Cool Programmable Premier Model Thermostat (Old 5220)

The 5220 has been replaced by the 4235.

Upgrade your comfort system with the Braeburn 4235, a versatile programmable thermostat designed for both residential and light commercial applications. Whether you’re controlling a heat pump, furnace, or hydronic zone system, this thermostat delivers serious flexibility in a sleek, user-friendly interface.

The Braeburn 4235 is a versatile, feature-rich thermostat from the Premier Series, designed for both residential and light commercial applications. Here’s a breakdown of what it offers:

🔧 System Compatibility

• Supports 3 Heat / 2 Cool for conventional or heat pump systems

• Compatible with gas, oil, electric, and millivolt systems

• Works with 2- or 3-wire hydronic zone systems

⚙️ Features

• Programming Options: 7-day, 5-2 day, or non-programmable

• Display: Large 4.4 sq. in. bright blue backlit screen

• Power: Battery or 24VAC hardwired

• Auto or Manual Changeover

• Humidity Control: Built-in humidification and dehumidification with overcooling

• Dry Contact Input: For occupancy sensors, condensate switches, or door contacts

• Remote Sensor Ready: Indoor or outdoor

• SmartLimit™ temperature limits with installer lockout

• Adaptive Recovery Mode (ARM™) for efficient temperature transitions

• Programmable and Circulating Fan Modes

• Multi-level keypad lockout for tamper resistance

📏 Dimensions

• 4.25" H × 5.12" W × 1" D

It replaces older models like the 5220 and 5320, making it a solid upgrade path.