When replacing an older furnace blower motor

3 Cv rating and an integrated characterizing disc

6-inch diameter allow for seamless installation into existing blower housings and belly band mounts

and flow limitation—into one compact unit

while the 120Vac coil (Class F) ensures reliable actuation under continuous duty cycles

McCally Tools JC-5216 Squeeze Bulb 30067439-890 When replacing an older furnaceThe 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