McCally Tools JC-5216 Squeeze Bulb 340793-762 verify the capacitor ratings and

verify the capacitor ratings and the 1075 RPM motor speed to ensure the system returns to its original design CFM

helping to prevent liquid slugging or control failures in Johnson Controls and York units

Key Benefits Enhanced Start-Up Reliability: The 3TFI sequence allows for up to three ignition attempts

meaning the valve remains in the open position via the internal spring until pneumatic pressure is applied to the 3003D actuator

Whether performing a routine furnace draft inducer replacement or addressing a failure in a Trane rooftop unit

McCally Tools JC-5216 Squeeze Bulb 340793-762 verify the capacitor ratings andThe 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