What is the difference between this and the S1-024-25329-701

Seamless Integration: Designed for exact fitment with KMC HLO-1006 bushings and various damper shaft adapters

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Is this a spring return actuator

Precision Balanced: Reduces harmonic vibration to protect the motor bearings and extend the life of the assembly

Yellow Jacket 42004 Manifold Els PW 17895 What is the difference betweenThe Yellow Jacket 42004 Series 41 Manifold is a workhorse designed for the daily demands of field service. Engineered with a heavy duty 2 valve forged brass body, this manifold is built for high pressure performance on R 410A, R 22, and R 404A systems. The oversized 3 1 8 inch non flutter gauges provide high contrast scales for superior legibility and precision compared to standard small orifice gauges. To ensure a reliable seal and long term