The Johnson Controls T-4002-5018 is a high-precision external set point dial engineered for integration with T-4000 Series pneumatic thermostats

This HVAC actuator repair part is built to the exact tolerances of the original equipment

75 and 145 inches to match specific cabinet requirements

Direct cross-reference for Fetco 1071

The system utilizes a powered damper to reduce water waste by up to 50% by only wetting the pad when active

Raypak 600893B Limit Switch The Johnson Controls T-4002-5018 isThe Raypak 600893B is a critical 140F CO Auto Limit Switch designed for high performance safety regulation in professional heating assemblies. This genuine OEM replacement part is engineered to monitor water temperatures within the heat exchanger, providing a fail safe against overheating. When the internal temperature reaches the 140F threshold, the high limit safety sensor breaks the electrical circuit to shut down the burners, preventing equipment