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High pressure may cause excessive discharge and possible premature failure of the operating relief valve
The Expansion Control Valve (ECV) is designed to relieve the increase in pressure caused by the water expansion during the normal heating cycle
Smart Gateway
Comes with high temperature seal
Heavenly Solar DHW Solar Controller related-avg-flow-meter-2-5l-solar-hot-water-1 High pressure may cause excessivePlease Note This controller is no longer being produced and is not available. The Senztek 1 2 controller is the best replacement option it has a digital display and comes with a new roof and tank sensor. The sensors will need to be changed when replacing this controller. Please click on the following link to the Senztek 1 2 controller https: www. solarhotwaterparts. com. au controllers solar hw controllers senztek solastat plus 1 2 solar hot water
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