£478.05

Rheem 18kW 240V Tankless Electric Water Heater - 4.4 GPM

Name: Rheem 18kW 240V Tankless Electric Water Heater - 4.4 GPM
Brand: Rheem
Price: 478.05 GBP
Availability: InStock

Silver, RTEX-18

Water Heaters & Parts

About as cheap as it gets. The only time it was cheaper was 2 months ago.

£478 today · all-time low £461 (Jun 2026) · usually £478

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Price History & Forecast

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Last 79 days · 79 data points (no recent data)

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Price Distribution

Price distribution over 79 days • 10 price levels

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Current Price

Price Analysis

Most common price: £478 (20 days, 25.3%)

Price range: £461 - £487

Price levels: 10 different prices over 79 days

Description

Enjoy a continuous and endless supply of hot water with the Rheem Performance tankless electric water heater. This 18kW 240V unit is designed for efficiency and space savings, making it an excellent choice for mid-range whole-home applications or single shower setups in the Midwest. Because it provides hot water on demand, you can stop worrying about running out of hot water during daily tasks. This compact unit is built to save both energy and money while eliminating the need for venting. Its sleek design allows it to fit easily into various plumbing configurations. Whether you are looking for a point-of-use solution or a way to upgrade your home's water system, this Rheem heater offers reliable performance and advanced technology to meet your hot water demands.

Key Features

Advanced self-modulation technology adjusts power automatically to meet your specific hot water demand.

Digital thermostatic control features an LED display with plus/minus 1 degree accuracy for precise temperature management.

Provides a high flow rate of up to 4.4 GPM to support your household water needs effectively.

Built with durable copper immersion two heating elements that are field serviceable for long-term use.

Simple installation process featuring bottom 3/4 inch NPT water connections and threaded parts for easy replacement.

Space-saving compact design requires no venting, making it ideal for tight locations.

Product Specifications

Brand: Rheem
Model: RTEX-18
Colour: Silver
Size: S
ASIN: B01MR7Z39V
Category: DIY & Tools > Plumbing > Water Heaters & Parts
Domain: Amazon UK
Listed Since: 19 January 2017

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Rheem 18kW 240V Tankless Electric Water Heater - 4.4 GPM

About as cheap as it gets. The only time it was cheaper was 2 months ago.

Price History & Forecast

Price Distribution

Price Analysis

Description

Key Features

Product Specifications

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