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Steam & Water Rated: Durable Johnson Controls hardware components maintain structural integrity in high-temperature steam applications
Precision Fit: Specifically engineered as a replacement for PLT52A-600R and KIT21A-601 to eliminate field-modification errors
Verify your transformer output before installation
Key Benefits: Versatile Mounting: Integrated single threaded hub and foot mount tabs provide flexible installation options for various enclosure types
pressure switches must match the exact water column (WC) rating specified by the manufacturer to prevent delayed ignition or nuisance tripping
Johnson Controls AFS-405 Switch Steam & Water Rated: DurableThe 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
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