- Refrigeration Equipment
- AC and Heating Equipment
- Indoor Air Quality
- Food Service
- Compressors
- Motors and Accessories
- Refrigerants and Chemicals
-
Controls and Electrical
- Thermostat
- Commercial Building
- Defrost Termination-Freeze Protection-Fan Switches
- Detector
- Electrical Devices and Accessories
- Flow Switch-Current Sensors
- Heating
- Humidity
- Motor Drives
- Pneumatic
- Pressure
- Supermarket Controls and Parts
- Temperature
- Timer
- Water Regulating Valve
- Zone Control and Wireless
-
Float Switch
-
Security Camera
- Parts and Components
- Supplies and Service
- Retired and Closeouts
Product Categories
-
Product Categories
- Refrigeration Equipment
- AC and Heating Equipment
- Indoor Air Quality
- Food Service
- Compressors
- Motors and Accessories
- Refrigerants and Chemicals
- Adhesives-Threadlock View
- Coil Cleaner View
- Coil Coating View
- Coil Degreaser View
- Degreaser View
- Electric Contact Cleaner View
- Food Grade Silicone View
- Glycols View
- Leak Detection View
- Leak Sealant View
- Lubricants View
- Pump Protector View
- Refrigerant Treatments View
- Solvent View
- Wasp and Hornet Spray View
- Zinc Spray View
- Controls and Electrical
- Thermostat
- Commercial Building
- Defrost Termination-Freeze Protection-Fan Switches
- Detector
- Electrical Devices and Accessories
- Flow Switch-Current Sensors
- Heating
- Humidity
- Motor Drives
- Pneumatic
- Pressure
- Supermarket Controls and Parts
- Temperature
- Timer
- Water Regulating Valve
- Zone Control and Wireless
- Float Switch
- Security Camera
- Parts and Components
- Supplies and Service
- Retired and Closeouts
-
New & Featured
Shopping Made Easy
Tools for Every Job
Contractor Spotlight
Tools
Subscriptions
Credit Account
- All Brands
- Copeland
- Sporlan
- Heatcraft
- Arcoaire
- Bohn
- IRP
- National Refrigerants
- NRP
- Sea Breeze
- Home/
- Controls and Electrical/
- Temperature/
- Electronic/
- A421GBF02C
Catalog pricing shown. Please Sign In to see your pricing.
A421GBF02C
A421GBF02C
Temperature control, electronic, remote sensor, low voltage, -40 to 212°F, 1 to 30°F differential, NEMA 1, SPDT, 24 Vac
- Vendor Name:
- Johnson Controls
- URI Part Number:
- A421GBF02C
- Vendor Part Number:
- A421GBF-02C
- Description:
- Low Voltage
- Length (In.):
- 1.00
- Width (In.):
- 1.00
- Height (In.):
- 1.00
- Shipping Weight (Lbs.):
- 1
- Differential:
- 1 to 30°F
- Enclosure:
- NEMA 1
- Humidity (% RH):
- 0 to 95 Non-Condensing
- Lead Length:
- 79 1/5
- Switch:
- SPDT
- Voltage:
- 24
The A421 Series Electronic Temperature Controls are single-stage controls with a SPDT output
relay. A421 Controls feature a bright backlit LCD with adjustable brightness and a 3-button touchpad interface that can be set up to restrict user adjustments. An LED indicates the output relay's On/Off status. Standard A421 Series control modules have simple On and Off temperature settings for heating or cooling, an adjustable anti-short cycle delay, temperature setback, and sensor offset
capability.
- Current draw: 1.8 VA maximum
- Temperature control range: -40 to 212°F
- Differential: 1 to 30°F
- Available in either:
- NEMA 1, IP20, high-impact plastic enclosures suitable for surface or DIN rail mounting
- NEMA 4X, IP67, weathertight, corrosion resistant surface mount enclosures
