Schneider Electric B-137 1/4" Barb x 1/4" Compression Adapter Pneumatic Fitting 50-Pack

The Schneider Electric (Barber Colman) B-137 is a brass compression adapter fitting designed for pneumatic control applications in HVAC and building automation systems. This fitting provides a reliable connection between 1/4-inch barbed tubing and 1/4-inch compression tube, making it essential for pneumatic thermostat installations, damper actuator connections, and air supply line assemblies.

Key Features:

• 1/4-inch barbed end for secure connection to plastic or rubber pneumatic tubing
• 1/4-inch compression end accepts rigid tubing with proper seal
• Brass construction offers excellent corrosion resistance and durability
• Designed for clean, dry, oil-free compressed air systems
• Suitable for HVAC pneumatic control pressures (typically 0-30 PSI)
• Bulk 50-piece pack for contractor and maintenance applications

This adapter fitting is commonly used with Schneider Electric (Barber Colman) pneumatic thermostats, controllers, and actuators. The barbed end grips 1/4-inch O.D. polyethylene or vinyl tubing, while the compression end provides a leak-free connection to rigid tubing systems. Compatible with R-3710 and F-1000 Series pneumatic fittings.