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The Power Manager 346 is designed to allow non-tekmar products to interface with a tekmarNet® 4 communicating heating system. It can be used in applications that use 3rd party thermostats, zoning devices, or mechanical equipment that requires a hot water demand from the boiler system. This product provides demand inputs for up to 4 different reset water temperatures (high temp, low temp 1, low temp 2, low temp 3). It has the capability of switching 3 pump outputs and provides wiring for up to 3 tekmarNet® 4 devices, as well as the 4 separate demand inputs to create a heat call on one of up to 4 possible reset water temperatures.

  • tekmarNet® 4 compatible
  • Four tekmarNet® 4 buses
  • Four On-Off demand inputs
  • Converts demands to tekmarNet® 4 communication
  • Three 115 V powered auxiliary pump outputs
  • Internal 50 VA transformer
  • Provides power to tekmarNet® 4 Reset Module
  • CSA C US certified for use in the USA and Canada
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Power Manager


3 Auxiliary Pumps

Width (Inches):




Depth (Inches):


User Interface:

LED Lights

Power Supply:

115V (ac)


115 V (ac) 10 A


24 V (ac) < 0.1 VA (Aux.)


20 to 260 V (ac) 2 VA (Bus Demands)

Weight (lbs):

3.5 lbs


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