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Rheem 18kW 240V Tankless Electric Water Heater, Gray
AMAZON.COM
Price
$ 415.00
Last price was updated on: 9th Dec 2025, 10:48 PM
Pricing Analytics & Buying Assistance
Price Score:
Excellent!
Poor
Average
Good
Excellent
Current Price
$415.00
$194.00
Lowest
$638.93
Highest
Buying Advice:
Excellent! Buy now. 59% chance price goes up. Buy soon.
Excellent! Buy now. 59% chance price goes up. Buy soon.
Price History Benchmarks
Lowest Ever
$194.00
25th Sep 2024
Highest Ever
$638.93
22nd Mar 2017
Average Price
$410.11
1210 data points
Last 3M Low
$279.99
16th Nov 2025
Last 6M Low
$279.99
16th Nov 2025
Last 12M Low
$279.99
16th Nov 2025
Price History Chart
Product Technical Information
| Product Code | B01MR7Z39V |
|---|---|
| Market Place | amazon.com |
| Market Place Name | Amazon.com |
| Brand Name | Rheem |
| Rating | 4.2 ( 3375 ratings ) |
| Category | Water Heaters |
| Manufacturer | Rheem |
| Model Number | RTEX-18 |
| Item Color | Gray |
| Item Dimensions | 14.5"W x 18.25"H |
Frequently Asked Questions
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What is the lowest price ever for this product?The lowest price for Rheem 18kW 240V Tankless Electric Water Heater Gray was $194.00 on 25th Sep 2024. This is the best recorded deal so far.
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What is the highest price ever for this product?The highest price for Rheem 18kW 240V Tankless Electric Water Heater Gray was $638.93 on 22nd Mar 2017. Prices have dropped since then.
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What is the average price of this product?The average price for Rheem 18kW 240V Tankless Electric Water Heater Gray is $410.11 (1210 data points). This helps you compare current deals.
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What is the lowest price in the last 3 months?In the last 3 months, Rheem 18kW 240V Tankless Electric Water Heater Gray reached a low of $279.99 on 16th Nov 2025. Recent price trends may help you decide when to buy.
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Should I buy this product now?Buy now. The price is excellent compared to its history. 59% chance price goes up. Price may increase soon.