Robust Construction: Designed to withstand high-ambient temperatures near the combustion collector box

making it an ideal choice for managing multi-circuit loads

0472 inch orifices and regulator adjustment components for a complete gas changeover

Can I use a higher temperature switch as a replacement

Johnson Controls T-4000-2140 Plastic Cover Robust Construction: Designed to withstandThe Johnson Controls T 4000 2140 is a high durability beige plastic cover engineered specifically for horizontal mounted thermostats within the T 4000 series pneumatic control family. This rugged thermostat cover provides essential protection for bimetal sensing elements while maintaining a professional aesthetic with the integrated Johnson Controls logo. Designed for utility and precision, the faceplate features a high visibility F C thermometer for