Aprilaire Programmable 2H/1C Thermostat
Aprilaire Programmable 2H/1C Thermostat
Item # 8465

The 8400 Electronic Thermostats are for the contractor looking for an attractive, programmable thermostat that is heavy on features, easy to install and priced right.

Features and Benefits
  • 2H/1C conventional or heat pump systems, millivolt compatible
  • 5/1/1 or 5/2 day programmable
  • Large 4.5 in2 LCD screen with high contrast
  • Easy-to-use temperature control and override program schedule
  • Progressive memory
  • Indefinite setpoint hold
  • Displays outdoor temperature with optional outdoor sensor (8052)
  • Removable battery cover for easy battery replacement
  • Easy-to-wire terminal block
  • Permanent memory retention
  • Water panel, air filter and service indicators
  • Circulate fan mode
  • Auto or manual changeover
  • Hardwired or battery powered
  • 5-year warranty
Product Specifications
Up to 2H/1C conventional or heat pump systems, millivolt compatible
5.25” x 4.50” x 1.00” (WHD)
Display Size
4.5 in2
Input Voltage
24VAC or 2 AA alkaline batteries
Operating Temperature
32° to 120° F
Operating Humidity
5% to 90%, non-condensing
Storage Temperature
-30° to 140° F
Temperature Sensors
1 outdoor (8052)
Short Cycle Protection
5 minutes, adjustable in 1 minute increments
Control Range
45° to 99° F


Free Thermostat Imprinting

Free Thermostat Imprinting

Did you know Jackson Systems offers free imprinting for all thermostats we stock and sell. Thousands of contractors nationwide have found having their logo and company information imprinted on their product not only helps them with brand awareness, it leads to years of service revenue and customer loyalty.


5418 Elmwood Ave | Indianapolis IN 46203 | 888-652-9663