papagray
New Member
hi have a viridian v200 drainback with a clearline v210 controller, have just had air source heat pump installed, alas the cylinder was replaced from a heataesadia tank which had a solar thermal switch fitted to the tank and the org wiring went from power supply to tank then back to the dropdown tank controller. the unit does have a sensor from the clearline to the solar detector hole on the new tank a joule cyclone cy250l twin solar high gain cylinder. do i need to purchase and fit a thermal switch to the new tank? or will the sensor supplied be enough ? it just slots into the solar hole on the tank. if anyone can give me an idea how to carry this out have put it out to tender on various sites and have had no responses hence my worry 
