McCally Tools JC-5216 Squeeze Bulb R-407C providing reliable performance in light

providing reliable performance in light commercial air handling units and VAV boxes

Efficient Installation: Features 9-inch lead wires and a universal channel frame for multiple mounting orientations in the field

Replacing fouled or scaled probes with this OEM McDonnell & Miller part is essential for maintaining the integrity of your boiler safety controls

Is the mounting hardware included for various furnace brands

Engineered for high-tensile strength and durability

McCally Tools JC-5216 Squeeze Bulb R-407C providing reliable performance in lightThe 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