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Digital Non-Programmable Multistage Thermostat (2 Heat/2 Cool)
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RS4220 has been discontinued
Discontinued December 3, 2020
This product was discontinued by the manufacturer.
MANUALS (3)
This item replaces: 9520, 9515, 9420, 9560, 9415
Product Highlights
–
Non-Programmable
24V
2 Heat/2 Cool
Horizontal
3-3/4"
1-3/16" Depth
Description
–
The Robertshaw RS4000 thermostat family is Simply the Right Choice when it comes to automated temperature controls. With the comfort, convenience, and efficiency features that homeowners and contractors want, the RS4000 family provides custom program options in value-packed thermostats for an affordable price.
Features
Features
- Pop-Up Wizard
- Automatic changeover
- Circulating Fan
- Worry-Free memory retention
- Easy change battery
- Large back lit display
- Filter change reminder
- Low battery indicator
- Fahrenheit and Celsius displays
- Dual power
- Adjustable 1st stage temperature differential: 0.5 F Degrees to 3.0 F Degrees (0.5 C Degrees to 1.5 C Degrees)
- Accuracy within ±1 F Degree
- Universal staging on multi-stage units
- Automatic heating shutdown if temperature exceeds 99°F (37°C)
- Keypad security lockout
- User settable Hi and Lo temperature limits
Specs
–
| Application: | Heat Pump Multi-Stage (Heat/Cool) |
|---|---|
| Stages: | 2 Heat/2 Cool |
| Programmability: | Non-Programmable |
| User Interface: | Push Button |
| Mount: | Horizontal |
| Options: | Password Lockout Large Display Fan Control Auto Changeover |
| Voltage: | 24V |
| Changeover: | Auto |
| Operating Temp Range: | 45-95F |
| Height: | 3-3/4" |
| Width: | 5-1/4" |
| Depth (Inches): | 1-3/16" |
Questions?
Speak with a real person who will go out of the way to help!
Call or text 888-757-4774
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Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm
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Product Reviews
4.45 out of 22 reviews
100% would recommend this product
5 star
73%
4 star
14%
3 star
5%
2 star
5%
1 star
5%
Most Liked Positive Review
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RS4220 has several good features but...
We have this installed on a single stage heat pump with two 5kW electric heat packs. To reduce power demand, the heat packs are staged with a separate thermostat so only one is used during system defrost or to boost the BTU output if the outside temperature is above 15F.
This was purchased primarily for the ability to set the on/off cycle differential but the second stage doesn't work as expected. Even though you can set the differential temperature there is a time function, from 5 to 40 minutes, that will override it and this cannot be disabled. I assumed from the operational description this was an "and" function - both the temperature differential AND the time had to be met. Instead, this is an "or" function - once the time is up the second stage kicks in, regardless of the temperature differential.
VS
Most Liked Negative Review
Display Needs To Be Larger
Easy to install and setup, but the icons on the display need to be larger. For example, you have to look close to see the tiny "E" if you are using emergency heat.
Showing 1-10 of 22 reviews
Works great, easy to install.
Product was easy to install and replaced my previous (very similar) unit. Wiring posts were clearly marked and swap out was easy. Product on line videos were an added reassurance for install support.
Z Man
Rhode Island
5 years ago
Verified Buyer
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I did buy this again!
I originally bought one unit and then decided to upgrade my whole house. I have radiant heating so the thermostat only controls that. They were very easy to install as the hole pattern was the same as the unit I was replacing. The units are easy to use. The only complaint I have is the installation manual was a little unclear in my particular installation for the wiring. I figured it out OK but I did have a little concern that I was doing it right.
Steve
Auburn, CA
6 years ago
Verified Buyer
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Great Product
Received product in a timely manner and the customer service was excellent!
Christi
Webb City, MO
6 years ago
Verified Buyer
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I am satisfied
I am satisfied with both the product and the service. The thermostat works fine.
The Preacher
Dundee, OH
6 years ago
Verified Buyer
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S.H. is a great supplier
Very price competitive, typically in-stock and prompt free shipping.
Phone in orders always have a pleasant & helpful customer service rep.on the line
Occasional returns are easy and no hassle.
First 5 Star I can remember ever giving, but is well deserved. BB
???
Littleton CO
7 years ago
Verified Buyer
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I would buy this again
Identical replacement, newer revision. Clear easy to understand documentation.
Bev
Webster ma.
7 years ago
Verified Buyer
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Works as expected
After buying on line with quick and courteous service I chickened out and had a profession install. Fixed all the problems as I was anticipating a need to replace my heat pump, furnace or both. Solved entire problem fo just under $100. Inluding labor. Made my day.
Ken
Pickerington, Ohio
7 years ago
Verified Buyer
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Great company/service.
This thermostat was the replacement for my 8 year old thermostat that was discontinued. I was not aware that my older model was discontinued but Supplyhouse recommended this one as the upgrade. Easy to install. Exc price, fast ship, and great service from Supplyhouse.
Frank
Ocala, Fl
8 years ago
Verified Buyer
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yes
Great and easy to installed
Hotel
Wa
8 years ago
Verified Buyer
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I would buy this product again
I like this themostat, I have a heat pump and it works great with it, when I set the temperature and it reach that point, it turn's off, I like that.
L
Virginia Beach, VA
8 years ago
Verified Buyer
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Product Q&A
3 Questions3 Questions
Q: How does this handle a unit with a EMER heat setting?
Asked by Falmosta 11 years ago
Add your answer
Verified Reply- Supplyhouse StaffThere is a manual EMER setting, or it can be a 3rd stage.
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Q: what is meant by 2 heat 2 cool?
Asked by bob 12 years ago
Add your answer
-
Some central heating/air-conditioning unit go through 2 stages when the heat/cold comes on – a “high” output followed by a normal level
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Q: I HAVE A ROBERTSHAW THERMOSTAT #9415/ IS THE WIRING HOOKUP THE SAME ON BOTH UNITS
Asked by 14 years ago
Add your answer
Verified Reply- PexSupply StaffThe terminations on the RS9415 were as follows: C, R, Y2, Y1, W1, G, W2, O, B. The terminations on the RS4220 are: RH/R, RC, C, G, B, O, Y1, W1, Y2, W2, E, L. So the wiring is not going to be exactly the same. The manual for the RS4220 shows on page 3 how to match up the old terminals to the new ones.
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