With more power than any tankless water heater in its class, the NR981 series is ideal for mid-size homes with up to 4 showers. Built-in features include safety lock-out, freeze protection, and high elevation adjustment. PVC CANNOT be used for venting.
Technical SpecificationsHome Size- Southern climate: 3-4 baths - Northern climate: 2 bathsIndoor Unit Dimensions- 23.6” (H) x 13.8” (W) x 9.4” (D)Outdoor Unit Dimensions- 23.6” (H) x 13.8” (W) x 9.4” (D)Weight- 54 lbs. (SV and OD), 58 lbs. (DVC)
Gas Consumption- Min. 16,000 btuh- Max. 199,900 btuh(NG & LP)- Natural Gas/PropaneCapacity Range- 0.5-9.8 Gal./min.
Energy Factor- 0.82 (NG), 0.88 (LP)Thermal Efficiency- 84%Temperature Settings- 100-140° F (in 5° F Intervals) (9 options)