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- Voltage: 120/240VAC
- Display Size: 1.5 x .5 sq in
- Sensing Bulb Diameter: 1/4 in
- Voltage Range: 120/240V AC
- Full Load Amps @ 240VAC: 8 A
- Full Load Amps @ 120VAC: 16 A
Specifications
| Part Number | A421AED-01C |
| Brand | Johnson Controls |
| Switch Action | Close on Rise, Open on Rise |
| Voltage | 120/240VAC |
| Includes | Off Cycle Defrost |
| Differential | 1 Degrees to 30 Degrees F |
| For Use With | Suitable for Temperature Control In Heating, Cooling Applications |
| Sensing Bulb Length | 2 in |
| Width | 2 3/8 in |
| Display Size | 1.5 x .5 sq in |
| Sensing Bulb Dia. | 1/4 in |
| Depth | 2 3/8 in |
| Height | 5 in |
| Display Width | 1/2 in |
| Overall Depth | 2 3/8 in |
| Overall Width | 2 3/8 in |
| Display Height | 1 1/2 in |
| Overall Height | 5 in |
| Sensing Bulb Diameter | 1/4 in |
| Display Type | Digital |
| Number of Relay Inputs | 1 |
| Item | Temperature Control |
| Switch Type | SPDT |
| Sensor Type | A99BB-25C |
| Standards | CE, Class B Industry Canada (IC) Compliant to Canadian ICES-003, cULus, FCC CFR47, UL 60730 File E27734, Vol. 1 |
| Thermostat Switch Type | SPDT |
| Voltage Range | 120/240V AC |
| Features | Removable Sensor with Screw Terminals, Keypad Lock Out, Sensor Failure, Adjustable Anti Short Cycle Delay |
| Full Load Amps @ 240VAC | 8 A |
| Number of Relay Outputs | 1 |
| Color | Gray |
| Agency Compliance | C-UL listed, UL |
| Enclosure Type | NEMA 4X |
| Full Load Amps @ 120VAC | 16 A |
| Display Color | Gray |
| Control Range | -40 Degrees to 212 Degrees F |
| Number of Switches | 1 |
| Number of Stages | Single |
| Contact Rating Resistive @ 240V | 10A |
| Input Voltage | 120V AC, 240V AC |
| Contact Rating Resistive @ 120V | 15A |
| Contact Rating Resistive @ 277V | 10A |
| Application | Boiler Control, Chiller Control, Fan Control, Cooling Control, Temperature Sensing and Control, Heating Control, Damper Control |
| Power Consumption | 1.8 VA |
| Temperature Control Function | Heat and Cool |
| Variable Output Voltage | No |
| Compatible with Series | A99 |
| Horsepower @ 240V AC | 1 hp |
| Full Load Current @ 120V AC | 16 A |
| Full Load Current @ 240V AC | 8 A |
| Resistive Load Current @ 120V | 15 A |
| Minimum Temperature Differential Setting | 1 Degrees F |
| Contact Form | SPDT |
| Maximum Control Temperature | 212 Degrees F |
| Housing Material | Steel |
| Number of SPDT Outputs | 1 |
| Resistive Load Current @ 240V | 10 A |
| Number of Sensors Included | 1 |
| Minimum Control Temperature | -40 Degrees F |
| Ambient Humidity | 0% to 95% RH |
| Number of Sensor Inputs | 1 |
| Maximum Temperature Differential Setting | 30 Degrees F |
| IP Rating | IP67 |
| Product Type | Temperature Control |
| NEMA Rating | 4X |
| Horsepower @ 120V AC | 1 hp |
Description
The Johnson Controls A421AED-01C is an electronic single-stage temperature control with a digital display. This temperature control uses an A99BB-25C sensor and features a SPDT switch that operates on 120/240VAC, providing close-on-rise or open-on-rise functionality over a range of -40 to 212 degrees Fahrenheit. It includes off-cycle defrost and is suitable for temperature control in heating and cooling applications. The unit is CE, cULus, and FCC CFR47 compliant, meeting UL 60730 and Class B Industry Canada (IC) standards.
| Shipping | This item ships to USA |
Processing Time:
All orders at Pro Replacement Parts are processed and shipped within 1-2 business days. For orders placed before 12 PM EST, we offer same-day shipping whenever possible. We aim to ensure that your order reaches you as quickly as possible.
Delivery Timeframe:
Most orders are delivered within 3–5 business days via UPS Ground. This is an estimated delivery timeframe, not a guarantee. Timing can vary by product availability, destination, holidays, weather, and carrier delays. Freight shipments may take longer.
Expedited Shipping:
UPS 2nd Day Air is available for eligible orders at checkout. Rates and estimated delivery dates are calculated at checkout. Two-business-day transit begins after shipment; processing time still applies.
Shipping Methods:
- Items exceeding 50” in width or 70 lbs in weight are shipped via Freight Carrier. You will be contacted by the carrier to schedule a delivery time.
- Items under 50” in width and 70 lbs in weight will be shipped via UPS or FedEx as a small package service.
Freight Shipments:
Freight shipments are delivered curbside in residential areas. You may need assistance to move the package indoors, or you can unbox the shipment and carry each piece inside individually. While some drivers may help move a shipment into a garage or carport, this is not guaranteed. For Inside Delivery requests, please contact us at the time of your order (additional fees apply). Email: support@proreplacementparts.com
Inspection and Damage:
Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.
Order Cancellations:
All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.
Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.
Wide Selection of Brands: At our store, you'll find an extensive range of electric motors from top brands in the industry. We carefully select our inventory to ensure that you have access to the best and most reliable products on the market. Whether you need a motor for an industrial machine, a household appliance, or a specialized project, we have something for everyone.
Customer-Centric Service: We believe in putting our customers first. Our team is committed to providing you with personalized service and support throughout your buying journey. From helping you choose the right motor for your needs to answering any queries you have after purchase, we're here to assist you every step of the way.
Competitive Pricing: We strive to offer our high-quality electric motors at competitive prices. Our goal is to provide you with the best value, ensuring that you get a top-performing motor without breaking the bank. Plus, our regular deals and promotions mean that you can save even more when you shop with us.
Reliable Shipping and Handling: While we don't offer same-day shipping, we understand the importance of timely delivery. That's why we work with reliable shipping partners to ensure that your order is processed, shipped, and delivered efficiently. You can trust us to get your electric motor to you in excellent condition and within a reasonable timeframe.
Knowledgeable Support: Our team is knowledgeable about the wide range of electric motors we offer. We can provide you with detailed information and specifications for each product, helping you make an informed decision. If you have any questions or need advice, our experts are just a call or email away.
Your purchase is covered by the Manufacturer’s Limited Warranty.
For return/refund information, please visit our Returns & Refunds page.
Description
- Voltage: 120/240VAC
- Display Size: 1.5 x .5 sq in
- Sensing Bulb Diameter: 1/4 in
- Voltage Range: 120/240V AC
- Full Load Amps @ 240VAC: 8 A
- Full Load Amps @ 120VAC: 16 A
Specifications
| Part Number | A421AED-01C |
| Brand | Johnson Controls |
| Switch Action | Close on Rise, Open on Rise |
| Voltage | 120/240VAC |
| Includes | Off Cycle Defrost |
| Differential | 1 Degrees to 30 Degrees F |
| For Use With | Suitable for Temperature Control In Heating, Cooling Applications |
| Sensing Bulb Length | 2 in |
| Width | 2 3/8 in |
| Display Size | 1.5 x .5 sq in |
| Sensing Bulb Dia. | 1/4 in |
| Depth | 2 3/8 in |
| Height | 5 in |
| Display Width | 1/2 in |
| Overall Depth | 2 3/8 in |
| Overall Width | 2 3/8 in |
| Display Height | 1 1/2 in |
| Overall Height | 5 in |
| Sensing Bulb Diameter | 1/4 in |
| Display Type | Digital |
| Number of Relay Inputs | 1 |
| Item | Temperature Control |
| Switch Type | SPDT |
| Sensor Type | A99BB-25C |
| Standards | CE, Class B Industry Canada (IC) Compliant to Canadian ICES-003, cULus, FCC CFR47, UL 60730 File E27734, Vol. 1 |
| Thermostat Switch Type | SPDT |
| Voltage Range | 120/240V AC |
| Features | Removable Sensor with Screw Terminals, Keypad Lock Out, Sensor Failure, Adjustable Anti Short Cycle Delay |
| Full Load Amps @ 240VAC | 8 A |
| Number of Relay Outputs | 1 |
| Color | Gray |
| Agency Compliance | C-UL listed, UL |
| Enclosure Type | NEMA 4X |
| Full Load Amps @ 120VAC | 16 A |
| Display Color | Gray |
| Control Range | -40 Degrees to 212 Degrees F |
| Number of Switches | 1 |
| Number of Stages | Single |
| Contact Rating Resistive @ 240V | 10A |
| Input Voltage | 120V AC, 240V AC |
| Contact Rating Resistive @ 120V | 15A |
| Contact Rating Resistive @ 277V | 10A |
| Application | Boiler Control, Chiller Control, Fan Control, Cooling Control, Temperature Sensing and Control, Heating Control, Damper Control |
| Power Consumption | 1.8 VA |
| Temperature Control Function | Heat and Cool |
| Variable Output Voltage | No |
| Compatible with Series | A99 |
| Horsepower @ 240V AC | 1 hp |
| Full Load Current @ 120V AC | 16 A |
| Full Load Current @ 240V AC | 8 A |
| Resistive Load Current @ 120V | 15 A |
| Minimum Temperature Differential Setting | 1 Degrees F |
| Contact Form | SPDT |
| Maximum Control Temperature | 212 Degrees F |
| Housing Material | Steel |
| Number of SPDT Outputs | 1 |
| Resistive Load Current @ 240V | 10 A |
| Number of Sensors Included | 1 |
| Minimum Control Temperature | -40 Degrees F |
| Ambient Humidity | 0% to 95% RH |
| Number of Sensor Inputs | 1 |
| Maximum Temperature Differential Setting | 30 Degrees F |
| IP Rating | IP67 |
| Product Type | Temperature Control |
| NEMA Rating | 4X |
| Horsepower @ 120V AC | 1 hp |
Description
The Johnson Controls A421AED-01C is an electronic single-stage temperature control with a digital display. This temperature control uses an A99BB-25C sensor and features a SPDT switch that operates on 120/240VAC, providing close-on-rise or open-on-rise functionality over a range of -40 to 212 degrees Fahrenheit. It includes off-cycle defrost and is suitable for temperature control in heating and cooling applications. The unit is CE, cULus, and FCC CFR47 compliant, meeting UL 60730 and Class B Industry Canada (IC) standards.
Shipping
| Shipping | This item ships to USA |
Processing Time:
All orders at Pro Replacement Parts are processed and shipped within 1-2 business days. For orders placed before 12 PM EST, we offer same-day shipping whenever possible. We aim to ensure that your order reaches you as quickly as possible.
Delivery Timeframe:
Most orders are delivered within 3–5 business days via UPS Ground. This is an estimated delivery timeframe, not a guarantee. Timing can vary by product availability, destination, holidays, weather, and carrier delays. Freight shipments may take longer.
Expedited Shipping:
UPS 2nd Day Air is available for eligible orders at checkout. Rates and estimated delivery dates are calculated at checkout. Two-business-day transit begins after shipment; processing time still applies.
Shipping Methods:
- Items exceeding 50” in width or 70 lbs in weight are shipped via Freight Carrier. You will be contacted by the carrier to schedule a delivery time.
- Items under 50” in width and 70 lbs in weight will be shipped via UPS or FedEx as a small package service.
Freight Shipments:
Freight shipments are delivered curbside in residential areas. You may need assistance to move the package indoors, or you can unbox the shipment and carry each piece inside individually. While some drivers may help move a shipment into a garage or carport, this is not guaranteed. For Inside Delivery requests, please contact us at the time of your order (additional fees apply). Email: support@proreplacementparts.com
Inspection and Damage:
Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.
Order Cancellations:
All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.
Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.
Why Buy From Us?
Wide Selection of Brands: At our store, you'll find an extensive range of electric motors from top brands in the industry. We carefully select our inventory to ensure that you have access to the best and most reliable products on the market. Whether you need a motor for an industrial machine, a household appliance, or a specialized project, we have something for everyone.
Customer-Centric Service: We believe in putting our customers first. Our team is committed to providing you with personalized service and support throughout your buying journey. From helping you choose the right motor for your needs to answering any queries you have after purchase, we're here to assist you every step of the way.
Competitive Pricing: We strive to offer our high-quality electric motors at competitive prices. Our goal is to provide you with the best value, ensuring that you get a top-performing motor without breaking the bank. Plus, our regular deals and promotions mean that you can save even more when you shop with us.
Reliable Shipping and Handling: While we don't offer same-day shipping, we understand the importance of timely delivery. That's why we work with reliable shipping partners to ensure that your order is processed, shipped, and delivered efficiently. You can trust us to get your electric motor to you in excellent condition and within a reasonable timeframe.
Knowledgeable Support: Our team is knowledgeable about the wide range of electric motors we offer. We can provide you with detailed information and specifications for each product, helping you make an informed decision. If you have any questions or need advice, our experts are just a call or email away.
Warranty/Returns
Your purchase is covered by the Manufacturer’s Limited Warranty.
For return/refund information, please visit our Returns & Refunds page.
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