Consistent Ignition Performance: Maintains the ignition spark gap required for clean combustion and reduced soot buildup

reducing errors during multi-stage regulator service

maintaining precise spark gap alignment is essential for consistent light-off

making it the standard choice for "pounds-to-pounds" regulation in farm taps

Johnson Controls T-4000-2141 Plastic Cover Consistent Ignition Performance: Maintains theThe Johnson Controls T 4000 2141 is a commercial grade beige plastic thermostat cover designed specifically for horizontally mounted pneumatic thermostats. This impact resistant housing provides a professional finish for pneumatic control systems while protecting internal components from dust and debris. Engineered for the T 4000 series, the cover features a clean aesthetic with the Johnson Controls logo and a single set point window for clear