View the Zehnder entry on BPI Visit the Zehnder website With a technical innovation brilliant in its simplicity, the new Zehnder Zmart Flex radiator improves upon conventional radiator design, durability and ease of installation. Its first-of-a-kind technology heralds a new era of lighter, longer-lasting and more environmentally friendly radiators. Zehnder Zmart radiator_Polymer register Unlike conventional, pressed steel panel radiators, Zehnder …