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Residential DHW Space Heating Controller

SmartMaxx-DHW-Plus Domestic Hot Water & Radiant Heating Solar Controller

SKU: SmartMaxx-DHWPlus

250.00 $200.45

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Product Details & Specifications

  • Housing: Plastic, PC-ABS and PMMA
  • Protection Type: IP 20 / DIN 40050
  • Dimensions: 6.77" x 4.33" x 1.81"
  • Inputs: 4 temperature sensors Pt1000
  • Outputs: 2 semi-conductor relays
  • Power Supply: 115V ~
  • Power Consumption: < 1W
  • Max. Collector Fields: 2
  • Max. Tanks: 2

The SmartMaxx DHW-Plus system controller is pre-programmed for different systems and is equipped with a energy metering function, a realtime clock and the VBus®. The multi-functional and illuminated display enables system-monitoring for intuitive and safe controller configuration and comprehensive visualization of the system status. Simple pictograms provide information on function and operating status of the controller and the system. This version is equipped with 4 inputs for Pt1000 temperature sensors, tank temperature limitation and manual operation mode. The central element is the 3-key-field below the display.


  • 2 Heat sources (collector fields)
  • 2-tank priority logic
  • Thermostat function
  • Illuminated system-monitoring display
  • Up to 4 Pt1000 temperature sensors
  • Includes two sensors (2); (1) for solar tank and (1) for solar array. 
  • 2 relays for pump speed control
  • Second differential
  • Drainback option including booster function
  • Heat dump function
  • 10 systems selectable
  • Energy metering
  • Function control
  • VBus®
  • Programming and remote control of the system via ServiceCenter software possible

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Silicon Solar
2917 State Hwy 7
Bainbridge, NY 13733
P: 1.800.786.0329


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Why Shop With Silicon Solar

Silicon Solar is, and always will be, a family owned and operated solar company dedicated to providing the highest quality solar powered products which have completed our rigorous quality inspection. We also manufacture a full line of solar powered products right here in our production facility; enabling us offer faster delivery and priority technical support.

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Silicon Solar
2917 St Hwy 7
Bainbridge, NY 13733

P: 1.800.786.0329

Contact Silicon Solar