Installation Guide
KBD Series Manual 69
EXTEND THE LABOR COVERAGE UNDER YOUR LIMITED WARRANTY*
REGISTRATION REQUIRED*
The limited warranty period on the labor coverage for models RUC80i, RUC90i, RUC98i, RU80e, RU90e and RU98e
Tankless Water Heaters installed in a residenal applicaon is extended for an addional 48 months (a total of 60 months
labor coverage from date of purchase), when used in a residenal hot water applicaon, if the product is registered within
30 days of purchase at www.rinnai.us/product-registraon or by calling 1-866-RINNAI-1 (746-6241), except registraon is
not required in California and Quebec.
1. The labor coverage does NOT extend if the RUC80i, RUC90i, RUC98i, RU80e, RU90e, and RU98e Tankless Water Heater is used
for structure heang or in a closed loop applicaon.
2. If the product is installed on a circulaon system, the circulaon system must be controlled through an aquastat / thermostat,
or mer, or an on-demand system, or the limited warranty will not be extended.
The limited warranty period on the labor coverage for models RUC80i, RUC90i, RUC98i, RU80e, RU90e, and
RU98e Tankless Water Heaters installed in a commercial applicaon is extended for an addional 12 months (a
total of 24 months labor coverage from date of purchase), when used in a commercial hot water applicaon, if
the product is registered within 30 days of purchase at www.rinnai.us/product-registraon or by calling 1-866-
RINNAI-1 (746-6241), except registraon is not required in California and Quebec.
1. The labor coverage does NOT extend if the RU80, RU90, RU98, RUC80, RUC90, and RUC98 Tankless Water Heater is used for
structure heang or in a closed loop applicaon.
2. If the product is installed on a circulaon system, the circulaon system must be controlled through an aquastat / thermostat,
or mer, or an on-demand system, or the limited warranty will not be extended.
*