Senztek SolaStat-Plus 1-3 Sensor Controller

FREE Thermal heat paste for roof sensor installation

The Senztek SolaStat-Plus 1-3 solar hot water controller is a widely used replacement controller for systems that are not circulating properly, failing to heat, or showing incorrect temperature readings.

If your solar hot water system is not working correctly, the controller is often the cause. This unit is designed to restore proper operation and reliable temperature control across a wide range of systems.

Solar Hot Water Parts includes heat transfer paste and joiners with this controller.

Common signs your controller needs replacing

• No hot water or poor heating
• Pump not turning on
• Incorrect temperature readings
• System overheating or shutting down
• Intermittent or unreliable operation

Compatible systems

This controller is commonly used in systems including:

• Apricus solar hot water systems
• Hills systems
• Dux solar hot water systems
• Chromagen systems
• Other systems using Senztek controllers

What this controller does

Senztek controllers automatically manage water circulation between your roof collectors and tank, ensuring efficient heat transfer and system performance.

What you receive

• 1 x SolaStat 1-3 WR Controller
• 1 x 3m inlet sensor
• 1 x 3m tank sensor
• 1 x 20m roof sensor
• Thermal paste and joiners

Why choose this controller?

• Proven reliability in Australian solar systems
• Easy plug-and-play installation
• Pre-set settings for quick setup
• Suitable replacement for older Senztek controllers
• Widely used by plumbers and repair technicians

When this controller is suitable

• Replacing an existing Senztek 1-3 controller
• Systems already using 3 sensors
• Faulty or ageing controller

When it may NOT be suitable

• Systems using different sensor configurations
• Systems requiring 2-sensor or 2-3 models
• Unknown or modified systems

Thinking about an upgrade? SolaStat vs SolaSmart

The SolaStat-Plus handles standard solar circulation it compares the roof and tank temperatures and runs the pump accordingly. For most repairs that is exactly what is needed.

The SolaSmart Plus is the step up. It adds smart Top-Out control for better heat recovery and a Boost function for extra hot water on demand, which can reduce how often the electric booster runs.

It uses the same three sensors as this controller roof, tank and inlet. If your system is already running a 1-3 conf