This assembly is specifically engineered for 75

this unit must be installed a minimum of 6 inches above the highest point of downstream piping or the flood rim of the fixture it serves

6 flow coefficient for a drop-in match

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

and various chemical treatments

Yellow Jacket 42004 Manifold Els PW 17895 This assembly is specifically engineeredThe 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