Rheem RTEX-18 Tankless Instant Electric Water Heater
Best price now
96% under what the other stores charge
Compared across 8 stores. Prices are checked against each store and labelled with when.
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Price facts
- Lowest price today: $14.99 at Voomi Supply (checked Nov 12, 2026).
- Checked at 8 stores.
Rheem RTEX-18 Tankless Instant Electric Water Heater prices at every store
- Voomi SupplyNew
In stockReturn policy
$14.99Checked 1 h ago - eBayNew
In stock
$325.00+ $35.00 shippingChecked 1 h ago - Wholesale Water HeaterNew
In stockReturn policy
$405.00Checked 1 h ago - Home DepotNew
In stock
$449.00Free shippingChecked 1 h ago - Core RangerNew
In stock
$449.00Checked 1 h ago - PrairieGritNew
Availability unknown
$224.21Checked 1 h ago - WalmartOpen box
Availability unknownSold by VIPUSA
$417.00Checked 1 h ago - AmazonNew
Availability unknown
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$418.00Free shippingChecked 1 h ago
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Rheem RTEX-18 Tankless Instant Electric Water Heater price history
Lowest price we've seen: $224.21 on Nov 12 at PrairieGrit. Tracked across 5 stores since Nov 12.
About the Rheem RTEX-18 Tankless Instant Electric Water Heater
18Kw 240V Tankless Instant Electric Water Heater; Brand: Rheem; Model #: RTEX-18; Series: Rheem RTEX; Voltage: 240V; Amps: 75A; Warranty: 5-Year Heating Chamber and 1-Year Parts; On Demand Consistent and Endless Hot Water; Shower Hot Water Heater; Under Sink Hot Water Heater; Multiple Application Water Heater;
Questions and answers
- Where is the Rheem RTEX-18 Tankless Instant Electric Water Heater cheapest?
- At Voomi Supply, for $14.99, 96% under what the other stores charge, as of our latest check.
- What do buyers say about the Rheem RTEX-18 Tankless Instant Electric Water Heater?
- Rated 5 out of 5 from 1 ratings.
- Where can I buy the Rheem RTEX-18 Tankless Instant Electric Water Heater?
- 8 stores we checked sell it, including Wholesale Water Heater, Voomi Supply, Amazon, PrairieGrit, eBay.
