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A. O. Smith Water Heater | 10 GPM, 199K BTU | NG or Propane | ATI-510CX3
✅ In stock
F
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 23, 2026 10:13 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
A. O. Smith Water Treatment
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓ProLine XE Concentric Vent Indoor 199,000 BTU Non-Condensing Natural Gas Tankless Water Heater with X3 Scale Prevention Technology - Indoor Natural Gas 510CX3
✓Continuous flow rate up to 10.0 GPM. Commercial-grade copper heat exchanger is 25x better than stainless steel at heat transfer, stabilizing outgoing water temperatures quicker.
✓Easily convertible from natural gas to propane. Highly efficiency tankless water heater delivers up to .81 Uniform Energy Factor (UEF).
✓Direct vent APNC35 concentric vent system, Vertical or Horizontal Vent Termination Installation. Includes integrated temperature controls and advanced diagnostics to simplify troubleshooting.
✓Safety features include exhaust & water temperature safety control, overheat cut-off fuse and air-fuel ratio (AFR) sensor. 15-year limited warranty on heat exchanger in residential applications.
⚙️ Specifications
Brand
A. O. Smith
Power Source
Natural Gas or Propane
Product Dimensions
13.78"W x 36.13"H
Special Feature
X3 Scale Prevention Technology
Color
White
Special Features
X3 Scale Prevention Technology
Flow Rate
10 gpm
Heat Output
199000 british thermal units
Mount Type
Wall
Item Dimensions W x H
13.78"W x 36.13"H
Item Weight
26.76 kg
