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Outdoor installation with weather protection possible in accordance with the installation and operating instructions
and replacing them at the same time is recommended for best performance and reliability
Pump not running or making noise
If you are just replacing the tank sensor on your system
AVG Cold Water Expansion Valve ECV 15mm Green 850KPA related-hills-apollo-exceed-tank-solar-hot-water-sensor-controller Outdoor installation with weather protectionExpansion Control Valve The Expansion Control Valve (ECV) is designed to relieve the increase in pressure caused by the water expansion during the normal heating cycle. It is recommended that an ECV be fitted to the cold water supply line. This will relieve cold water, not hot water, during the heating cycle saving energy and increasing the life of the Pressure Temperature Relief valve (PTR). Some local governments make it mandatory to install an ECV
US$ 574.50
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