
( Brand: Johnson Controls ), ( Manufacturer Part Number: A28AJ-4C ), ( Part Type: Line ), ( Color: Gray ), ( Contact Rating Resistive 120v: 15a ), ( Contact Rating Resistive 277v: 7.2a ), ( Depth: 2-3/64 ), ( Differential: 2 Degrees To 7 Degrees F ), ( Enclosure Type: Galvanized/steel ), ( Full Load Amps 240vac: 3a ), ( Height: 3-53/64 ), ( Inductive Amps 208v: 3.4a ), ( Item: Line Volt Mechanical Tstat ), ( Locked Rotor Amps 120v: 36a ), ( Locked Rotor Amps 240v: 18a ), ( Pilot Duty Contacts: Va ), ( Remote Sensing Bulb Included: No ), ( Resistive Amps 208vac: 9.2a )
The A28AJ-4C Johnson Line Mechanical Thermostat is a reliable and efficient temperature control solution designed for 24-277VAC, 6-amp applications. This mechanical thermostat is built with durability and precision in mind, featuring a robust construction that can withstand the rigors of daily use.
The A28AJ-4C is equipped with a user-friendly dial that allows for easy temperature adjustments. The dial is marked in both Fahrenheit and Celsius, making it suitable for use in various climates and locations. The thermostat also features a built-in heat anticipator, which helps to maintain a consistent temperature by adjusting the heating cycle based on the rate of temperature rise.
The thermostat is designed with a large, easy-to-read display that clearly indicates the current temperature setting. The display is backlit, ensuring that it can be easily seen in low light conditions. The A28AJ-4C is also equipped with a hold feature, which allows users to temporarily override the temperature setting for up to 4 hours.
The A28AJ-4C is suitable for use with a wide range of heating and cooling systems, including baseboard heaters, radiant heat, and forced air systems. It is designed to operate in a temperature range of 40 F to 120 F (4.4 C to 48.9 C), ensuring that it can effectively control temperatures in a variety of environments.
In conclusion, the A28AJ-4C Johnson Line Mechanical Thermostat is a reliable and efficient temperature control solution that is suitable for a wide range of heating and cooling systems. Its robust construction, user-friendly design, and versatile temperature range make it a great choice for homeowners and businesses looking for a reliable and cost-effective temperature control solution.
Pros of buying a Johnson Line A28AJ-4C Mechanical Thermostat:1. Reliability: Mechanical thermostats like the Johnson Line A28AJ-4C are known for their durability and long lifespan. They do not require batteries or have digital components that can fail, making them a reliable choice.
2. Simple to use: Mechanical thermostats are straightforward and easy to use. There are no complicated menus or settings to navigate.
3. Cost-effective: Compared to digital thermostats, mechanical thermostats are generally less expensive. They do not require regular battery replacements or have advanced features that may increase the cost.
Cons of buying a Johnson Line A28AJ-4C Mechanical Thermostat:1. Limited functionality: Mechanical thermostats do not offer the same level of functionality as digital thermostats. They do not have programmable schedules, temperature alerts, or remote access capabilities.
2. Less precise temperature control: Mechanical thermostats rely on a bimetallic strip to control temperature, which may result in less precise temperature control compared to digital thermostats.
3. Limited compatibility: Mechanical thermostats like the Johnson Line A28AJ-4C are designed for specific voltage and amperage requirements. It may not be compatible with all HVAC systems.
Conclusion:The Johnson Line A28AJ-4C Mechanical Thermostat is a reliable and cost-effective option for those looking for a simple, straightforward thermostat. However, it may not offer the same level of functionality or precision as digital thermostats. Ultimately, the choice between a mechanical and digital thermostat depends on your specific needs, budget, and HVAC system requirements.
Recommendation:If you are looking for a simple, reliable, and cost-effective thermostat, the Johnson Line A28AJ-4C Mechanical Thermostat could be a good fit. However, if you require more advanced features or precise temperature control, you may want to consider a digital thermostat. Always ensure that the thermostat is compatible with your HVAC system before making a purchase.
Line volt mechanical tstat, thermostat switch type PDT, control range 20 degrees to 80 f, voltage 24 277vac, full load amps 120vac 15a, 240vac 3a, programmable no, remote sensing capability heating cooling, bulb included action open high close high, number of switches 2, differential 2/7 height in.