NR66 OD

.82 Uniform Energy Factor
Minimum 15,000 to Max 140,000 BTUh
0.5 to 6.6 GPM

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TECH SPECS

TECHNICAL SPECIFICATIONS

Outdoor Unit Dimensions

20.5” (H) x 13.8” (W) x 6.7” (D)

Weight

36 lbs.

Gas Consumption

Min. 15,000 btuh Max. 140,000 btuh

NG & LP

Natural Gas/Propane

Capacity Range

0.5 - 6.6 GPM

Uniform Energy Factor

0.82 (UEF)

Temperature Settings

100-150° F (in 5° F Intervals) 160° F

DOCUMENTATION

Our NR66 series is perfect for apartments, condominiums and townhouses with 1-2 showers. When properly sized, they provide an endless supply of hot water and are designed to be more efficient than traditional tank-type water heaters. These compact heaters will save space without compromising power. Built-in features include safety lock-out, freeze protection, and high elevation adjustment. PVC CANNOT be used for venting.

These units also offer several innovations:
Safety lock out – Default max. 120 degrees (refer to owner’s manual for higher temp)
Standard burner – High performance single flame burner.
Fully modulating burner – Automatically adjusts burner level accordingly.
Turbo Flow – Up to 6.6 GPM @ 35° temperature rise (5.3 GPM @ 45° rise).
Direct ignition – No standby pilot light.
Thermal fuse – Automatic overheat protection system.
Resin coated PC board – Increases durability and protection from elements.
Automatic air regulator – Monitors internal temperature/maximizes burner efficiency.
Resin coated PC board – Increases durability and protection from elements.

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