A-4000-138 | 3/8"PRV W/BRKT & GAUGE 0/30# | Johnson Controls Used on_Greenstar KBR/KWB/ZBR/ZWB The assembly effectively propels heated

The assembly effectively propels heated air throughout the system

water flow

50" thread

two switch positions

the Mars Controls Inspection Mirror is an essential tool for ensuring optimal performance and safety

A-4000-138 | 3/8"PRV W/BRKT & GAUGE 0/30# | Johnson Controls Used on_Greenstar KBR/KWB/ZBR/ZWB The assembly effectively propels heatedJohnson Controls NCO A 4000 138: 3 8" Pressure Reducing Valve with Bracket & Gauge for Industrial Applications. The NCO A 4000 138 is a 3 8" Pressure Reducing Valve (PRV) designed for industrial applications. Its robust construction features a bracket and gauge for easy installation and accurate pressure monitoring. With a working pressure range of 0 30 psi, this PRV excels in regulating water pressure in various systems, including water lines,