Lennox 3G-OTH-70354 — Technical Specifications

Name: Lennox 3G-OTH-70354 LENNOX Thermostat: Heat and Cool, Manual, B/C/G/O/Rc/Rh/W1/Y1, Auto-On, Cool-Heat-Off, Horizontal (MPN 24Z12). Key specifications — Application: Heat and Cool; Key Features: Optional Celsius Display; Temperature Differential: ± 1 °F; Voltage: 24V AC; Terminal Designations: G; System Settings: Cool-Heat-Off; Changeover Type: Manual; Shape: Rectangle.
Brand: Lennox

The LENNOX 24Z12 is a rectangular digital thermostat for heat and cool applications, operating on 24V AC with a manual changeover type and system settings of Cool-Heat-Off. It features a slide switch control, Auto-On fan setting, optional Celsius display, and a temperature differential of ± 1 °F. The thermostat mounts horizontally and includes terminal designation G.

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Technical Specifications

Parameter	Value
Type	Manual, B/C/G/O/Rc/Rh/W1/Y1, Auto-On, Cool-Heat-Off, Horizontal
Brand	LENNOX
Shape	Rectangle
Voltage	24V AC
Digit Size	Standard
Application	Heat and Cool
Control Type	Slide Switch
Fan Settings	Auto-On
Key Features	Optional Celsius Display
Changeover Type	Manual
System Settings	Cool-Heat-Off
Mounting Direction	Horizontal
Terminal Designations	G
Manufacturer Part Number	24Z12
Temperature Differential	± 1 °F