McCally Tools JC-5216 Squeeze Bulb R-407C while the smooth side allows

while the smooth side allows for a clean finish without the need for rinsing or drying

while the NXC12 offers higher torque (9 ft-lb / 12 Nm)

Verified Compatibility: Exactly replaces WHL0740 and WHL00740

Optimized Airflow Modulation: Features ECM technology for precise variable speed control

McCally Tools JC-5216 Squeeze Bulb R-407C while the smooth side allowsThe McCally Tools JC 5216 Squeeze Bulb is a professional grade HVAC squeeze bulb engineered for high precision pressure testing and pneumatic calibration. For veteran technicians managing furnace boiler ventilation testing, this hand operated air pump provides the tactile feedback necessary for fine tuning draft gauges and manometers. Unlike automated pumps, the manual operation of the McCally Tools JC 5216 enables a steady, controlled delivery of air