which is essential for stable flame characteristics and efficient heat exchange

Are there any parts I need to retain from the original setup

Constructed from nickel-plated brass

which is a standard utility for many industrial and commercial controllers

Proper torque on the shank nut is essential for compressing the gasket against the reservoir wall

Johnson Controls V48AL-2 Valve Els PW 17895 which is essential for stableThe Johnson Controls V48AL 2 is a heavy duty 3 way pressure actuated water regulating valve designed specifically for water cooled condensers. Engineered with a 1 inch union sweat connection, this valve provides precise head pressure control by diverting water flow to maintain stable refrigerant pressures in fluctuating ambient conditions. Featuring a cast brass body and internal components resistant to corrosion, it is built for long term reliability