ProLine® Master 55-Gallon Atmospheric Vent Tall Liquid Propane Gas Water Heater

Model HWRX-55L
5 out of 5 Customer Rating
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Capacity (Gallons)
Limited Tank Warranty
Height Classification
Advanced Options
Fuel Source
First Hour Rating
Maximum BTU's
Side Loop
Diameter
  • Delivers 83-gallon first hour rating
  • 54,000 BTU input atmospheric vent design delivers up to 0.62 Uniform Energy Factor
  • Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
Product Details
  • Delivers 83-gallon first hour rating
  • 54,000 BTU input atmospheric vent design delivers up to 0.62 Uniform Energy Factor
  • Patented eco-friendly Green Choice® Gas Burner design reduces NOx emissions by up to 33% and complies with Low-NOx emission requirements
  • Push-button piezo ignitor makes lighting pilot fast & easy
  • Includes side mounted recirculation taps for easy installation with combination space heating/potable water heating applications
  • Patented Blue Diamond® glass tank lining protects against corrosion
  • DynaClean™ automatic cleaning system protects against sediment build-up
  • Stainless steel Coregard™ anode rod protects against corrosion longer than ordinary anodes
  • Commercial-grade brass drain valve for durable and easy operation
  • 8-year limited tank and parts warranty

  • The ProLine® Master 55-Gallon Atmospheric Vent Tall Liquid Propane Gas Water Heater is designed to deliver an economical performance that can lower your energy bills and also provide long-lasting value. Featuring a 55-gallon (nominal) tank and a 54,000 BTU propane burner, the HWRX-55L (LP) Standard Vent delivers a first hour rating of 83 gallons and a recovery rate of 65 gallons per hour. It carries a 8-year limited tank warranty, and meets Low NOx emission requirements. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine® Master water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel Coregard™ anode rod, Blue Diamond® glass lining and DynaClean™ automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standard and are only available for purchase through professional wholesalers and contractors.

Specifications
Tech Specs
Nominal Gallon Capacity
55 Gallons
Rated Storage Volume
55 Gallons
UEF
0.62
Maximum BTUs
54,000
Power Source
GAS
Limited Tank Warranty
8 Years
Limited Parts Warranty
8 Years
T&P Relief Valve
TRUE
Water Connection Location
TOP
Water Connection Size
0.75"
First Hour Rating
83 Gallons
ASME Certified
No
Blanket Included
No
Destination Country
US
Flue Diameter
5.00
Fuel Source
PROPANE
Height to Gas Valve
13.50
Height to T&P
48.00
Ignition Type
Pilot with Piezo Igniter
Installation Type
INDOOR
Application
RESIDENTIAL
Product Tier
ProLine® Master
Shipping Height 
59.31
Shipping Length 
28.13
Shipping Width 
25.13
Side Loop
Yes
Dimension & Venting
Type
Water Heater
Height
55.25"
Diameter
24 in."
Shipping Weight
185lbs
Vent Type
Atmospheric Vent
All Reviews for ProLine® Master Atmospheric Vent (250 series)
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