Lennox 24Z13 Thermostat

BB 1230 Non-Prog 2H/1C

24Z13 is the direct replacement for 51M33

Lennox 24Z13 Thermostat | Braeburn 1230 | Non-Programmable Thermostat | 2 Heat / 1 Cool | OEM Replacement

The Lennox 24Z13 Thermostat (Braeburn Model 1230) is a non-programmable digital thermostat designed for simplicity, reliability, and efficient temperature control. Part of Braeburn’s Economy Series, this thermostat is compatible with both conventional and heat pump systems, supporting 2 Heat / 1 Cool configurations.

Featuring a large 4.4 sq. in. display with a bright blue backlight, the 1230 offers clear visibility and user-friendly operation. Built for performance and flexibility, it can be hardwired or battery powered and includes advanced features like SmartLimit™ temperature limits, filter check monitor, and installer lock mode to enhance system security and efficiency.

🔧 Product Specifications:

• Brand: Braeburn

• Lennox Catalog Number: 24Z13

• Model / Part Number: 1230

• Type: Non-Programmable Thermostat

• Stages: 2 Heat / 1 Cool (Conventional or Heat Pump)

• Display: 4.4 sq. in. with Bright Blue Backlight

• Power Options: Hardwire or Battery Powered

• UPC / EAN: 66255159036

✅ Key Features & Benefits:

• Non-programmable design for straightforward temperature control

• Large, easy-to-read display with blue backlight

• SmartLimit™ temperature limit settings for energy savings

• Installer lock mode prevents unauthorized changes

• Filter check monitor for routine maintenance reminders

• Compatible with 2-wire hydronic zone systems

• Separate O and B terminals for flexible heat pump configuration

• Optional Celsius display

• Adjustable temperature differential settings

🔁 Replaces Comparable Models:

• Honeywell: TH3210, TH5220

• Emerson: 1F83H-21NP, 1F89-0211

Upgrade your HVAC system with the Lennox 24Z13 (Braeburn 1230) Thermostat — the perfect balance of value, performance, and simplicity. Ideal for residential and light commercial use.