Lennox 24Z13 Thermostat 30067439-890 Repeated tripping is usually a

Repeated tripping is usually a symptom of airflow issues

as well as high-capacity Ultra 550 and 750 commercial units

or if you see a weak orange spark instead of a strong blue one

Broad Compatibility: Suitable for use with all common non-corrosive refrigerants

and MR/MS series controllers

Lennox 24Z13 Thermostat 30067439-890 Repeated tripping is usually aThe Lennox 24Z13 Thermostat (Braeburn Model 1230) is the industry standard non programmable digital thermostat designed for 2 Heat 1 Cool stages. As a professional grade OEM replacement for Lennox 51M33, this unit offers a rugged, reliable interface for both conventional and heat pump systems. Featuring a large 4. 4 sq. in. blue backlit display, it ensures high visibility in dark mechanical rooms or residential hallways. Contractors value the 1230 for