inaccessible for use with RC-CORD10 / 26 or 18 AWG bell wire. Noritz has been an in the water heating industry for over 60 years. We the get-go late, electronically price-controlled tankless water heater in 1981 and we remain the leader in energy savings and superordinate illegal water delivery today. Our goal to empower you with the highest quality products purchasable at superordinate value.