Installation involves securing the limiter onto the actuator housing

by replacing a green or blue spring with this orange 143-62-021-18 spring

including the Ultra-1 and Ultra-2 models

Always check the machine’s plumbing diagram

Designed specifically for the Maxitrol RV91 and Maxitrol 210E series

Johnson Controls T-4002-123 Connector Installation involves securing the limiterThe Johnson Controls T 4002 123 is a specialized terminal connector engineered for high performance pneumatic control systems. This 2 pipe pneumatic fitting features dual angle fittings specifically designed for surface mounted T 4000 series thermostats where exposed tubing is utilized. Constructed for professional grade HVACR applications, the T 4002 123 facilitates a secure, leak resistant interface between 5 32" O. D. polyethylene tubing and the