White-Rodgers F55-0088 Packing Nut The White-Rodgers 3L09-1 Limit Switch

The White-Rodgers 3L09-1 Limit Switch is a high-performance 1/2" bimetal disc limit control designed for precise thermal regulation in HVAC furnaces and commercial heating equipment

After removing the thermostat cover

The Johnson Controls A-4400-608 is a professional-grade particle filter element specifically engineered for high-demand pneumatic environments

Durable Construction: Built to withstand high ambient temperatures at the pilot head without rapid degradation of the dissimilar metals

White-Rodgers F55-0088 Packing Nut The White-Rodgers 3L09-1 Limit SwitchThe White Rodgers F55 0088 Packing Nut is a critical component designed for remote bulb controls and similar immersion applications. Featuring a standard 1 2 inch thread size, this hardware ensures a secure, leak proof seal for capillary tubes and sensing bulbs where they enter the system. When dealing with fluid or gas media, maintaining a tight HVAC valve seal is non negotiable to prevent pressure loss and environmental contamination. This