Copeland Comfort Control (Alco) 047504 Solenoid Valve Always inspect the vacuum lines

Always inspect the vacuum lines for cracks before replacing the switch

What does the "close on rise" action signify

As an experienced HVAC contractor

Can I use RTV silicone instead of this gasket

Copeland Comfort Control (Alco) 047504 Solenoid Valve Always inspect the vacuum linesThe Copeland Comfort Control (Alco) 047504 Solenoid Valve is a direct acting, 2 way normally closed component engineered for rigorous refrigeration service. Designed specifically for liquid line or discharge gas applications, this 100RB2S3 model features a 3 8" ODF sweat connection with extended ends, allowing contractors to braze the valve into the system without the need for disassembly. With a nominal capacity of 1. 27 tons for R22 and 1. 2 tons