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Hydrotherm BACnet points lists

Updated 4 November 2026

Every Hydrotherm BACnet points list we have: 3 models, 262 BACnet objects in all. Pick a model to see its full object table with types, instance numbers, units and read/write access, and download it as CSV or EDE.

• Commercial boiler controller

  Hydrotherm KN / KN+ Series boilers with HeatNet V3 control

  Hydrotherm (Mestek) KN and KN+ Series condensing boilers with a HeatNet V3 control board (firmware 4.20+), including HeatNet cascades of up to 16 boilers.

  101 objects · 20 writable · v2.00
  Also known as: HeatNet V3, HeatNet, KN Series, KN+, KN-Series, ATH, Mestek, KN BACnet Objects
• Commercial boiler controller

  Hydrotherm KN Series (KNSX) boilers - HeatNet BACnet Bridge

  Hydrotherm (Mestek) KN Series boilers covered by the KNSX object list, with a HeatNet control and a HeatNet BACnet IP or BACnet MS/TP bridge.

  86 objects · 18 writable · v2.52
  Also known as: KNSX, KN Series, HeatNet, HeatNet bridge, Mestek
• Commercial boiler controller

  Hydrotherm KN2 / KN4 / rAy boilers - HeatNet BACnet Bridge

  Hydrotherm (Mestek) KN2 and KN4 boilers and rAy boilers with a HeatNet control and a HeatNet BACnet IP or BACnet MS/TP bridge (bridge configuration 2.40+).

  75 objects · 18 writable · v2.50
  Also known as: KN2, KN-2, KN4, KN-4, rAy, HeatNet, HeatNet bridge, KNSLM, Mestek