- 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
- New and Featured
- Job List Builder
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 and Featured
- Job List Builder
-
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
Log in for pricing and inventory.
- Vendor Name:
- Hart and Cooley
- URI Part Number:
- 4RN7
- Vendor Part Number:
- 016114
- Shipping Weight (Lbs.):
- 1.00
- Diameter A (In.):
- 4
- Diameter B (In.):
- 7
B vent, increaser, 4" to 7
