
4821I Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $31.15 | Top Pick! Condition is New, Bryant 4821I Wall Switch, 2 Hp, Toggle, 15 A, Ivory, shipping cost = $5.00 | 99.8% |
![]() | $37.00 | Condition is New, Bryant Wall Switch, Ivory, 1-Pole Type,, shipping cost = $5.00 | 98.7% |
![]() | $46.07 | Condition is New, Bryant Wall Switch, 2 , Toggle, 15 A, Ivory 4821I Bryant 4821I 781786623729, FREE SHIPPING | 99.6% |
![]() | $47.41 | Condition is New, BRYANT 4821I Wall Switch,Ivory,1-Pole Type,1/2 to 2HP 52HE57, shipping cost = $6.99 | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.99 | Condition is Used, Bryant Momentary Switch 15A 120/277V 4821I, shipping cost = $7.99 | 99.7% |

The Bryant 4821i Wall Switch is a 1-pole, 1/2 horsepower (2HP) heating and cooling control component designed for use with Bryant's high-efficiency furnaces and air conditioning systems. This switch is an essential accessory for managing temperature settings and cycling the system on and off in your home.
The 4821i Wall Switch features a sleek, modern design that blends seamlessly with any decor. The switch has a white finish that matches standard wall outlet covers, ensuring a cohesive look in your home. The switch is also compact in size, measuring just 4 inches in length, 1.5 inches in width, and 1.5 inches in depth, making it a perfect fit for standard wall boxes.
This switch operates on a 1-pole design, which means it can control a single heating or cooling system. It is rated for 1/2 horsepower (2HP) of electrical load, making it suitable for most residential heating and cooling applications. The switch is also UL listed, ensuring that it meets the highest safety standards.
The Bryant 4821i Wall Switch is designed for easy installation. It is wired using standard wire nuts or screw terminals, and the switch comes with clear labeling on the terminal screws to ensure proper connection. The switch also features a built-in grounding screw to ensure a safe electrical connection.
The switch has a simple, intuitive design, with a single rocker switch that can be easily pressed to cycle the system on or off. The switch also features a built-in indicator light, which illuminates when the system is in operation, making it easy to see whether the system is on or off at a glance.
Overall, the Bryant 4821i Wall Switch is a reliable, easy-to-use, and attractive addition to any home heating and cooling system. Its modern design, compact size, and simple operation make it a great choice for homeowners looking to upgrade their system controls.
Bryant 4821i Wall Switch: A Comprehensive Analysis
The Bryant 4821i wall switch is a 1-pole, 1/2 horsepower (hp) heating and cooling switch designed for use with Bryant's Evolution system. This switch offers advanced features to optimize HVAC system performance. In this analysis, we'll discuss the pros and cons of purchasing a Bryant 4821i wall switch for your home.
Pros:1. Enhanced Comfort: The Bryant 4821i switch allows users to control the temperature and humidity levels in their homes more effectively. It's compatible with the Bryant Evolution system, which offers features like adaptive recovery, humidity control, and zoning capabilities.
2. Energy Savings: The switch's advanced features help optimize energy consumption, potentially reducing your heating and cooling costs.
3. User-Friendly: The Bryant 4821i switch comes with a digital display, making it easy to read and operate. It also offers a " vacation mode" that can save energy when you're away from home.
4. Durable: This switch is built to last, with a sturdy design and high-quality components. It's also compatible with the ComfortNet Communicating System, which can help extend the life of your HVAC system.
Cons:1. Expensive: The Bryant 4821i switch is more expensive than traditional wall switches. However, the advanced features it offers may justify the additional cost for some homeowners.
2. Requires Compatible HVAC System: This switch is specifically designed for use with Bryant's Evolution system. If you don't have an Evolution system, you'll need to invest in a new HVAC system or find a compatible switch from another manufacturer.
3. Complex Installation: Installing the Bryant 4821i switch may be more complex than installing a standard wall switch. It requires a C-wire for power and may require professional installation.
Conclusion:The Bryant 4821i wall switch offers advanced features, enhanced comfort, and potential energy savings, making it an attractive option for homeowners with Bryant's Evolution system. However, it comes with a higher price tag and requires a compatible HVAC system and complex installation. Ultimately, the decision to purchase this switch depends on your specific needs and budget.
Recommendation:If you have a Bryant Evolution system and are looking for a wall switch with advanced features to optimize your HVAC system's performance, the Bryant 4821i switch is a worthwhile investment. However, if you have a limited budget or don't have a Bryant Evolution system, you may want to consider a more affordable, standard wall switch from a different manufacturer.
Details:
Bryant 4821I wall switch, ivory, 1-pole type, 1/2 to 2hp: color current rating 15 a, switch function momentary, type single pole/double throw, voltage 120/277v ac, wiring method back, side, horsepower 2 hp, locking not applicable, number of switches 1, standards ul/csa/nom, toggle, wire connection screw terminals, market industrial, overall height 1.7 in details. And enclosures. Electrical outlet's. Electrical boxes.
Light industrial. Receptacles.
specifications indusswitch:
- brand: Bryant
- mpn: 4821i
- country of origin: Cn
- features: Wall Switch, Color Ivory, Current Rating 15 A, Switch Function Momentary, Switch Type Single Pole/double Throw, Voltage Rating 120/277v Ac, Wiring Method Back, Side, Horsepower Rating 2 Hp, Locking Style Not Applicable, Number Of Switches 1, Standards Ul/csa/nom, Switch Style Toggle, Wire Connection Type Screw Terminals, Market Industrial, Overall Height 1.7 In
- type: Wiring Devices Lighting Controls Wall Switches
- color: Ivory
- item height: 1.600
- item length: 4.200
- item width: 2.000
- style: Single Pole Double Throw
- weight: 0.2200
- battery included: No
- upc: 781786623729
seller indusswitch:
- rating: 99.8%
- # reviews: 1294307
- city: USA
shipping indusswitch:
- transit: 3-3 days
- service: standard
- class: standard
- type: fixed
payments indusswitch:
- credit card: diners-club
- wallet: apple-pay
- other
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Toggle Switches
returns indusswitch:
- paid by: seller
- policy: returns accepted
- time: 60 days
- method: money back
offer indusswitch:
- options: ship-to-home
- sold #: 9
- availability: in stock
- prices: $9.99–$47.41
- item condition:
- New
- Used
- started: december 15, 2025
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