Conventional Water Heaters
Reliable hot water. Built to outlast.
Commercial-Grade. Priced for your home.
A residential tank built to commercial-grade standards — quieter operation, cleaner combustion, and tank protection engineered to last.
Commercial-Grade Tank Protection
Built to commercial standards with a patented Blue Diamond® glass tank lining and a stainless steel CoreGard™ anode rod — engineered to outlast ordinary residential tanks against the corrosive effects of water.
Ultra-Low NOx, Cleaner Combustion
The Green Choice® Gas Burner meets or exceeds the strictest emission requirements in California and Utah, giving you efficient hot water with a noticeably cleaner footprint.
Self-Cleaning for a Longer Life
DynaClean™ automatic sediment-cleaning continuously fights build-up at the bottom of the tank — the #1 enemy of water heater lifespan — so your unit runs efficiently year after year.
ProLine® Master 50-Gallon
Ultra-Low NOx Atmospheric Vent Tall Natural Gas Water Heater · Model HUR-50 450
Featuring a 50-gallon nominal tank and a 40,000 BTU gas burner, the HUR-50 delivers a first-hour rating of 84 gallons and a 42 gph recovery rate. Environmentally-friendly insulation and factory-installed heat-trap nipples reduce standby heat loss for maximum energy savings — all backed by A. O. Smith's superior commercial-grade tank protection.
Real-world performance, at a glance.
Every detail engineered for long life.
84-gallon first hour rating
Plenty of hot water for back-to-back showers, laundry and dishes — without the wait.
40,000 BTU atmospheric vent
Efficient atmospheric vent design delivers up to a 0.64 Uniform Energy Factor.
Ultra-Low NOx Green Choice® burner
Meets or exceeds the strictest emission requirements in California and Utah.
Push-button piezo ignition
Lighting the pilot is fast, safe and tool-free — no matches, no fuss.
Blue Diamond® glass lining
Patented tank lining bonds at the molecular level to protect against corrosion.
DynaClean™ sediment cleaning
Automatic self-cleaning system fights sediment build-up that shortens tank life.
Stainless CoreGard™ anode rod
Outlasts ordinary anode rods to protect the tank from corrosion, longer.
8-year limited warranty
Backed by an 8-year limited warranty on both the tank and parts.
Not the water heater you're looking for?
No worries — we'll install the water heater of your choice based on the conditions of your home. Tell us what you want, we'll make it fit.
Get a custom recommendation25+ years of plumbing experience — on every job site.
Our professional installers are qualified to service every plumbing need while they're already on site — heater, lines, valves, venting, the works. One trip. One trusted crew.
Ready to upgrade your tank?
Tell us about your home and we'll size, permit and install your ProLine® Master conventional water heater — done right, the first time.
