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- Voltage: 24V
- Frequency: 50 Hz, 60 Hz
- Maximum Temperature Control: 122 Degrees F
- Temperature Scale: Celsius, Fahrenheit
- Minimum Operating Temperature: 32 Degrees F
- Amperage: 4 A
Specifications
| Part Number | TC300B-G |
| Brand | Honeywell |
| Voltage | 24V |
| Housing Color | Gray |
| Frequency | 50 Hz, 60 Hz |
| Wireless | No |
| Maximum Temperature Control | 122 Degrees F |
| Overall Height | 4 1/2 in |
| Overall Depth | 1 in |
| Overall Width | 3 15/16 in |
| Item | Thermostat Controller |
| Electrical Connection Type | Hardwired |
| Programming Capability | Fully Customizable |
| Compatible with Building Automation Systems | Yes |
| Humidification/Dehumidification Control | Yes, Yes |
| Occupancy Sensor | Includes Dry Contact Occupancy Sensor |
| Number of Heating Stages - Heat Pump System | 2 |
| Sensor Type | 3 Custom Sensors, Discharge Air Temperature, Drain Pan, Humidity, Occupancy, Outdoor Air Temperature, Proof of Airflow, Proof of Water Flow, Shutdown Sensor, Space Temperature |
| Display Type | Digital |
| Temperature Scale | Celsius, Fahrenheit |
| Minimum Operating Temperature | 32 Degrees F |
| Amperage | 4 A |
| Changeover Type | Automatic |
| Temperature Differential | +/-1.5 Degrees F |
| Number of Relay Inputs/Outputs | 3 DO/2 DIO/3 UIO |
| System Settings | Auto-Heat-Cool-Off |
| Application | Heat or Cool |
| Temperature Adjustment | On/Off (Cool), On/Off (Heat) |
| Fan Settings | Hi-Med-Low |
| Maximum Operating Temperature | 122 Degrees F |
| Number of Cooling Stages - Heat Pump System | 1 |
| Operating Temperature Range | 32 Degrees to 122 Degrees F |
| Compatible System Type | 1H/1C Conventional Heat Pump, 2-Pipe Fan Coil Unit, 2H/1C Heat Pump; Water Source Heat Pump, 4-Pipe Fan Coil Unit |
| Dehumidification Control | Yes |
| Humidification Control | Yes |
| Backlit Screen Color | Blue (Cooling), Orange (Heating) |
| Temperature Limiting | Yes |
| Standards | CE, FCC, ICES, Prop65, REACH, RoHS, UK, UL/cUL |
| Number of Pipes | 2, 4 |
| Backlit Screen | Yes |
| Thermostat Type | Commercial Thermostat |
| Minimum Operating Humidity | 10 % |
| Number of Heating Stages - Conventional System | 1 |
| Temperature Sensitivity | +/-1.5 Degrees F |
| Temperature Control Range | 60 Degrees to 85 Degrees F |
| Temporary Program Override | No |
| Backlit Type | Dimmable |
| Number of Relay Outputs | 8 |
| Temporary Temperature Hold | Yes |
| Terminal Designations | C; COM; DIO1; DIO2; DO1; DO2; DO3; R; UIO1; UIO2; UIO3 |
| Contact Rating | 20 to 30V AC |
| Number of Relay Inputs | 5 |
| Number of Cooling Stages - Conventional System | 1 |
| Enclosure Color | Gray |
| Control Type | Touch Screen |
| Network Protocol Compatibility | BACnet MS/TP, MODBUS/BACnet IP |
| Maximum Operating Humidity | 90 % |
Description
The Honeywell TC300B-G is a 24V thermostat controller for commercial fan coil units. It is hardwired and includes a dry contact occupancy sensor, with support for up to three custom sensors as well as discharge air temperature, drain pan, humidity, occupancy, outdoor air temperature, proof of airflow, proof of water flow, shutdown sensor, and space temperature sensors. This thermostat is compatible with building automation systems and operates at 50 or 60 Hz, with a maximum temperature control of 122 degrees Fahrenheit.
| 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: 24V
- Frequency: 50 Hz, 60 Hz
- Maximum Temperature Control: 122 Degrees F
- Temperature Scale: Celsius, Fahrenheit
- Minimum Operating Temperature: 32 Degrees F
- Amperage: 4 A
Specifications
| Part Number | TC300B-G |
| Brand | Honeywell |
| Voltage | 24V |
| Housing Color | Gray |
| Frequency | 50 Hz, 60 Hz |
| Wireless | No |
| Maximum Temperature Control | 122 Degrees F |
| Overall Height | 4 1/2 in |
| Overall Depth | 1 in |
| Overall Width | 3 15/16 in |
| Item | Thermostat Controller |
| Electrical Connection Type | Hardwired |
| Programming Capability | Fully Customizable |
| Compatible with Building Automation Systems | Yes |
| Humidification/Dehumidification Control | Yes, Yes |
| Occupancy Sensor | Includes Dry Contact Occupancy Sensor |
| Number of Heating Stages - Heat Pump System | 2 |
| Sensor Type | 3 Custom Sensors, Discharge Air Temperature, Drain Pan, Humidity, Occupancy, Outdoor Air Temperature, Proof of Airflow, Proof of Water Flow, Shutdown Sensor, Space Temperature |
| Display Type | Digital |
| Temperature Scale | Celsius, Fahrenheit |
| Minimum Operating Temperature | 32 Degrees F |
| Amperage | 4 A |
| Changeover Type | Automatic |
| Temperature Differential | +/-1.5 Degrees F |
| Number of Relay Inputs/Outputs | 3 DO/2 DIO/3 UIO |
| System Settings | Auto-Heat-Cool-Off |
| Application | Heat or Cool |
| Temperature Adjustment | On/Off (Cool), On/Off (Heat) |
| Fan Settings | Hi-Med-Low |
| Maximum Operating Temperature | 122 Degrees F |
| Number of Cooling Stages - Heat Pump System | 1 |
| Operating Temperature Range | 32 Degrees to 122 Degrees F |
| Compatible System Type | 1H/1C Conventional Heat Pump, 2-Pipe Fan Coil Unit, 2H/1C Heat Pump; Water Source Heat Pump, 4-Pipe Fan Coil Unit |
| Dehumidification Control | Yes |
| Humidification Control | Yes |
| Backlit Screen Color | Blue (Cooling), Orange (Heating) |
| Temperature Limiting | Yes |
| Standards | CE, FCC, ICES, Prop65, REACH, RoHS, UK, UL/cUL |
| Number of Pipes | 2, 4 |
| Backlit Screen | Yes |
| Thermostat Type | Commercial Thermostat |
| Minimum Operating Humidity | 10 % |
| Number of Heating Stages - Conventional System | 1 |
| Temperature Sensitivity | +/-1.5 Degrees F |
| Temperature Control Range | 60 Degrees to 85 Degrees F |
| Temporary Program Override | No |
| Backlit Type | Dimmable |
| Number of Relay Outputs | 8 |
| Temporary Temperature Hold | Yes |
| Terminal Designations | C; COM; DIO1; DIO2; DO1; DO2; DO3; R; UIO1; UIO2; UIO3 |
| Contact Rating | 20 to 30V AC |
| Number of Relay Inputs | 5 |
| Number of Cooling Stages - Conventional System | 1 |
| Enclosure Color | Gray |
| Control Type | Touch Screen |
| Network Protocol Compatibility | BACnet MS/TP, MODBUS/BACnet IP |
| Maximum Operating Humidity | 90 % |
Description
The Honeywell TC300B-G is a 24V thermostat controller for commercial fan coil units. It is hardwired and includes a dry contact occupancy sensor, with support for up to three custom sensors as well as discharge air temperature, drain pan, humidity, occupancy, outdoor air temperature, proof of airflow, proof of water flow, shutdown sensor, and space temperature sensors. This thermostat is compatible with building automation systems and operates at 50 or 60 Hz, with a maximum temperature control of 122 degrees Fahrenheit.
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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