“Previously my heating system had 3 single zone relays which made for unattractive, difficult to maintain wiring. This unit allowed for a neater installation with the ability to add future zones by dividing one large existing zone. The ability to use PowerPort cards, and add additional slave relays makes this an all-in-one solution for any multi-zone heating system.”
“I purchased this controller to replace the prior version of the same item... Replacement was straightforward, the mounting holes were in the same location and the configuration was otherwise identical to the old unit.”
“I purchased this controller to replace the prior version of the same item. It arrived timely and in good condition. This is now installed and working correctly. I give it 4 stars and not 5 because the prior version of the same unit did not last as long as I think it should. This unit appears to have updated components”