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.
Home Size: Southern climate: 3-4 baths, Northern climate: 2 baths
Indoor 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/Propane
Capacity Range: 0.5-9.8 Gal./min.
Energy Factor: 0.82 (NG), 0.88 (LP)
Thermal Efficiency: 84%
Temperature Settings: 100-140º F (in 5º F Intervals) (9 options)