Johnson Controls AFS-405 Switch this component functions as a

this component functions as a primary safety circuit breaker

Specifically matched for Reznor UDAP and UDAS series heaters (sizes 30-400)

While universals exist

Industrial Durability: Robust lamination stacks reduce humming and prevent premature thermal failure under load

Designed specifically for the 9100 Series 12 inch cage valves and compatible 9200 Series double seated cage valves

Johnson Controls AFS-405 Switch this component functions as aThe Johnson Controls AFS 405 is a professional grade adjustable differential air pressure switch designed for precision monitoring in HVAC, DDC, and energy management systems. Engineered with a glass filled polycarbonate housing and a high performance silicone diaphragm, this sensing switch is optimized for detecting positive, negative, or differential pressure between 0. 05 and 12. 0 inches water column. The inclusion of gold plated contacts ensures