McCally Tools JC-5216 Squeeze Bulb R-22 up to four units can

up to four units can be wired in parallel if they are not mechanically linked

allowing it to drive more contactors and relays without voltage sag

providing maximum flexibility for complex sequences of operation

Designed to handle inlet pressures up to 25 PSI

This model is designed for CCW rotation

McCally Tools JC-5216 Squeeze Bulb R-22 up to four units canThe 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