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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
The Grundfos 15 - 20 CIL is new
Later models used the Senztek Lite/Eco
The Expansion Control Valve (ECV) is designed to relieve the increase in pressure caused by the water expansion during the normal heating cycle
Comes with high temperature seal
40 °C Maximum operating pressure 10 bar Type of connection G Size of connection 1 1/2 inch Pressure rating for connection PN 10 Port-to-port length 130 mm Liquid
Heavenly Solar DHW Solar Controller related-avg-flow-meter-2-5l-solar-hot-water-1 The Grundfos 15 - 20Please 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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