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The sensor should be installed with the "High" (green) and "Low" (red) tubes securely attached
The Siemens Building Technology QFA3100 is an industry-standard room humidity sensor designed for demanding HVAC applications requiring precise monitoring and long-term stability
The most common issues are carbon soot accumulation
the HS2NX allows for rapid field replacement
NIGHT SERVICE KIT AF SERIES
Honeywell 221818A Display 340155-7024 The sensor should be installedThe Honeywell 221818A is a 60 inch remote display extension cable specifically engineered for the 7800 SERIES relay modules. This essential accessory allows for the remote mounting of the S7800 Keyboard Display Module (KDM) up to five feet away from the main burner control, providing technicians with critical access to diagnostics and system parameters without opening the electrical cabinet. The assembly features a specialized connector cover that