Ruud Ultra Series Condensing Tankless 180 Water Heater
Model RU180DVN
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Price as of May 2026
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Btu
180000
Venting
PVC Direct Vent
Fuel Type
Natural Gas
Tank Type
Tankless
Capacity Gpm
10
Energy Factor
0.94
Ruud Ultra Series Condensing Tankless 180 Water Heater Review
The Ruud Ultra Series Condensing Tankless 180 is Rheem's plumber-channel mid-tier condensing tankless. 180K BTU sized for 2-bath warm-climate homes or 1-2 bath cold-climate homes.
Specs: 180,000 BTU natural gas input, UEF 0.93 condensing, 8.4 GPM at a 35°F rise, stainless steel heat exchanger. PVC condensing venting. 12-year warranty on heat exchanger.
The Ultra Series tier is Ruud's premium tankless positioning. Equivalent to Rheem RTGH-84DVLN at Home Depot. Same engineering, plumber-channel distribution.
About $1,800 plumber-channel pricing, $3,200 plumber-installed. Right buyer: plumber doing the install with Ruud in supply relationship, 2-bath primary residence wanting mid-capacity tankless.
Full Specifications
Brand
Ruud
Model Number
RU180DVN
Btu
180000
Venting
PVC Direct Vent
Fuel Type
Natural Gas
Tank Type
Tankless
Capacity Gpm
10
Energy Factor
0.94
Warranty Years
12
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