
BA-2R-P4 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $27.15 | Top Pick! Condition is New – Open box, HONEYWELL BA-2R-P4 / BA2RP4 (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $31.27 | Condition is New – Open box, HONEYWELL BA-2R-P4 / BA2RP4 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.68 | Top Pick! Condition is Used, HONEYWELL BA-2R-P4 / BA2RP4 (USED), shipping cost = $12.90 | 99.7% |
![]() | $199.99 | Condition is Used, Lot of 7 HONEYWELL BA-2R-P4 X86134, FREE SHIPPING | 100.0% |

The Honeywell BA-2R-P4 Microswitch T224170 is a versatile and reliable magnetic reed switch designed for various applications, particularly in HVAC systems and security alarms. This microswitch is manufactured by Honeywell, a renowned name in the industry known for producing high-quality sensors and automation solutions.
The BA-2R-P4 Microswitch T224170 features a compact design, measuring just 1.1 inches in length, 0.7 inches in width, and 0.3 inches in height. Its small size makes it an ideal solution for spaces where space is limited. This microswitch operates on a 12V DC power supply and comes with a built-in normally open (NO) contact that closes when a magnetic force is applied.
The switch is constructed of high-quality materials, ensuring durability and long-lasting performance. The contacts are made of silver alloy, which offers superior conductivity and corrosion resistance. The switch also comes with a clear, tamper-evident seal that indicates if the cover has been opened, providing an added layer of security.
The BA-2R-P4 Microswitch T224170 is designed to work with various magnets, and the switch can be easily mounted on a surface using the provided mounting screws. The switch has a rated life of 10,000,000 cycles, ensuring reliable operation for an extended period. The operating temperature range is between -40 F and 158 F (-40 C and 70 C), making it suitable for use in various environments.
In conclusion, the Honeywell BA-2R-P4 Microswitch T224170 is a highly versatile and reliable magnetic reed switch that is suitable for various applications. Its compact size, durability, and long-lasting performance make it an ideal choice for HVAC systems, security alarms, and other automation applications. With its high-quality construction, easy installation, and long service life, this microswitch is an excellent investment for any project.
The Honeywell BA-2R-P4 Microswitch T224170 is a commonly used temperature actuator in HVAC systems. This microswitch is designed to operate in conjunction with a thermostat, turning on or off a heating or cooling system based on the temperature setting. Here are some potential pros and cons of buying this microswitch:
Pros:1. Reliability: Honeywell is a well-known brand in the HVAC industry, and this microswitch is known for its durability and reliability.
2. Easy to Install: This microswitch is relatively easy to install, with clear instructions provided in the user manual.
3. Versatility: The BA-2R-P4 can be used in various HVAC applications, making it a versatile option for contractors and DIYers.
4. Cost-Effective: Compared to other temperature actuators on the market, the BA-2R-P4 is reasonably priced.
Cons:1. Limited Temperature Range: The BA-2R-P4 has a limited temperature range, which may not be suitable for all heating and cooling systems.
2. Manual Reset: In the event of a failure, this microswitch requires a manual reset, which can be inconvenient.
3. No Digital Display: Unlike some more advanced temperature actuators, the BA-2R-P4 does not have a digital display, making it more difficult to monitor the temperature setting.
Conclusion:The Honeywell BA-2R-P4 Microswitch T224170 is a reliable and cost-effective option for those in need of a temperature actuator for their HVAC system. Its ease of installation and versatility make it a popular choice among contractors and DIYers. However, its limited temperature range and lack of a digital display may be drawbacks for some users. Ultimately, the decision to purchase this microswitch will depend on the specific needs and preferences of the individual.
Recommendation:If you are in the market for a temperature actuator and the BA-2R-P4's temperature range and lack of a digital display are not deal-breakers for you, then this microswitch is a solid choice. Its reliability and cost-effectiveness make it a worthwhile investment for most HVAC applications. However, if you require a wider temperature range or a digital display, you may want to consider other options on the market.
Details:
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Extra information:: 20a 480v. Honeywell BA-2R-P4 microswitch T224170 brand:: Honeywell, condition: this is a new item, without original packaging and includes 30 day warranty.
specifications indusswitch:
- brand: Honeywell
- mpn: Ba-2r-p4
payments indusswitch:
- wallet: apple-pay
- other
- credit card: discover
seller indusswitch:
- city: el paso, texas
- rating: 99.8%
- # reviews: 2017 7
offer indusswitch:
- availability: in stock
- best offers: true
- options: ship-to-home
- prices: $24.68–$199.99
- item condition:
- New – Open box
- Used
- started: december 11, 2025
- sold #: 12
shipping indusswitch:
- transit: 4-7 days
- class: standard, expedited, one-day
- type: calculated
- carrier: ups
- service: ups ground, ups 2nd day air, ups next day air
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Microswitches
returns indusswitch:
- time: 30 days
- policy: returns accepted
- method: money back
- paid by: seller
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