Robertshaw RS4220 Value Digital Non-Programmable Thermostat Universal Control up to 2 Heat / 2 Cool

Robertshaw RS4220 Value Digital Non-Programmable Thermostat Universal Control up to 2 Heat / 2 Cool

Non-Programmable Thermostat Keeps your Home at a Comfortable Temperature
  • Operates on both multi-stage gas/electric furnaces and heat pumps for less inventory
  • Quick-connect wiring feature saves up to 15 minutes on every installation
  • Pop-up wizard customizes thermostat settings with an instant start-up menu
  • Fully adjustable differentials to maintain optimal heating and cooling comfort year-round
  • Worry-free memory retention maintains set point and programmed parameters, even during power outages
  • Compatible with all standard 24V AC heating and cooling systems



List Price: $83.85

Your Savings: $36.85

REWARDS: 47 points
  • Details
  • Specs
  • Reviews
  • Manuals
  • With the comfort, convenience, and efficiency features that homeowners and contractors want, the RS4220 thermostat provides custom program options in an economical and value-packed thermostat. Installation is fast and easy with the quick-connect wiring feature. The thermostat includes auto changeover to automatically switch between heating and cooling for constant home comfort. Keep the fan circulating to maintain optimal air circulation between demand cycles for improved comfort with minimal energy use.

    Its big, bright backlight makes viewing and setting the temperature easy and even includes a nightlight option. Adjustable temperature differential and upstaging provide for a full selection of parameters to deliver maximum comfort or energy savings. High and low setpoint limits protect the heating and cooling systems by limiting temperature settings. Low temperature freeze protection automatically turns on the heat when temperatures drop below 41 degrees F to prevent pipes from freezing.

    • Weight: 12.8 oz
    • Electrical rating: 24V AC (18-30V AC), 1 Amp maximum load per terminal, 3 Amp total maximum load (all terminals combined)
    • Temperature control range: 45 to 90 degrees F (7 to 32 degrees C)
    • Accuracy: +/- 1 degree F (+/- 0.5 degrees C)
    • Power: 24V AC with battery back-up OR 3.0V DC (2 AA alkaline batteries included)
    • System configurations: Two stage gas, electric, oil, millivolt, and up to three stage heat pump systems
    • Terminations: RH/R, RC, C, G, B, O, Y1, W1, Y2, W2, E, L
  • 3 Reviews

    Review of 29917 Review by MELISSA
    Review of 29917

    Works great, but did not explain well in wiring diagram had to hire Tech, which was goof, cause he said unit had to be killed by power switch outside and by fuse box or would have blown up other parts. It works great and simple easy to see.

    Posted on 5/4/2014

    Review of 29917 Review by MARK
    Review of 29917

    delivery was quick and product was right

    Posted on 5/27/2012

    Review of 29917 Review by JOHANN
    Review of 29917

    Good product for price. I am quite happy with the features and ease of installation.

    Posted on 7/6/2011

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