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Specifically matched for Reznor UDAP and UDAS series heaters (sizes 30-400)
Designed specifically for the 9100 Series 12 inch cage valves and compatible 9200 Series double seated cage valves
Industrial Durability: Robust lamination stacks reduce humming and prevent premature thermal failure under load
What causes a Reznor flame probe to fail
While universals exist
Johnson Controls AFS-405 Switch Specifically matched for Reznor UDAPThe 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