New Addressable Duct Detector With Built-in Relays!
Silent Knight is pleased to announce the introduction of the newly redesigned addressable Duct Detector housing with built-in relays. The new design includes the SD505-APS installed in the duct housing, simplifying your ordering and installation process. The new Duct Detector with relays is compatible with the following sampling tubes and remote test switch:

• SD505-T2 2.5' Sampling tubes (available in quantities of 5).
• SD505-T5 5' Sampling tubes (available in quantities of 5).
• SD505-T10 10' Sampling tubes.
• D505-DTS-K Remote Test Switch with Key switch (uses same key as control panel).
• The SD505-DTS-K is also backward compatible with SD505-ADHR models.

The new Duct Detector housing with built-in relays can be ordered using the following part number SD505-DUCTR and will be available to you in mid April and replaces the SD505-ADHR.

New Part Number          Replaces               When
SD505-DUCTR                SD505-ADHR          Starting in Mid April
SD505-DTS-K                 SD505-DTS             Starting in Mid April

Please contact Primary Systems if you would like to learn more about the new addressable Duct Detector with built-in relay or click here for more product information.