Rheem 20L Gas Continuous Flow Water Heater | 876A20 - Sarros Hot WaterRheemGas Instantaneous
Rheem 20L Gas Continuous Flow Water Heater | 876A20 - Sarros Hot WaterRheemGas Instantaneous
Gas Instantaneous

Rheem 20L Gas Continuous Flow Water Heater | 876A20

$1,149.00
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Tax included.
Installation Option
  • Unit only
  • Supply & Installation Package

Rheem 20L Gas Continuous Flow Water Heater 

Experience endless hot water on demand with the Rheem 20L Gas Continuous Flow Water Heater. 

This reliable unit delivers consistent temperature and flow, perfect for busy households and commercial applications. The compact 876A20 model heats water instantly as you use it, eliminating the need for a storage tank and saving valuable space.

Energy-efficient gas operation keeps running costs down while providing the comfort of unlimited hot showers, washing, and cleaning whenever you need it. Built to Rheem's trusted standards for durability and performance.

 

Gas Specifications

Warranty & Downloads

Technical Specifications

Dimensions & Weight

GAS CONSUMPTION (Mj/hr)

157

GAS ENERGY RATING

6 Star

GAS TYPE

["Natural Gas"]

Workmanship Warranty

Sarros Lifetime Guarantee

Manufacturers Warranty

12 Years parts and 3 Years labour on Heat Exchanger 3 Years parts & labour on other components, when installed in a domestic dwelling.
*For Full Manufacturer's Warranty Please Visit Rheem

Flow Rate | Tank Capacity

20L/min

Household Size

3-4 People

Installation Location

Outdoor

Power Required

Yes - For Ignition

Dimensions HxWxL (mm)

Height - 519mm
Width - 355mm
Depth - 188mm

Weight

16KG

Compact Design, Powerful Hot Water

Built to save space without sacrificing performance. Rheem continuous flow system's mount neatly to your wall while delivering strong, reliable hot water to every tap. They only heat water as you use it, helping to reduce energy waste and running costs.
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Rheem_Instant_Recess_Box_Sarros

Stylish Recess Boxes Available

The Rheem Recess Box lets your continuous flow unit sit flush into the wall for a clean, modern look. It’s built from galvanised steel with an in‑built anti‑theft bracket and an easy‑access door for servicing.

Rheem 20L Gas Continuous Flow Water Heater | 876A20

Frequently Asked Questions 

Can you replace my existing hot water system?

In most cases, yes. We regularly replace older gas or electric systems with new Rheem continuous flow units. Our team will check your current setup, gas supply and location to confirm what’s required and provide a clear, upfront quote.

What warranty do I get?

You’ll receive the full Rheem manufacturer warranty on the unit plus our lifetime workmanship guarantee on the installation when supplied and installed by Sarros.

Can I use a Rheem gas continuous flow unit with LPG as well as natural gas?

 Rheem continuous flow models are available in both natural gas (NG) and LPG versions, but the gas type is model‑specific. Our Rheem systems are clearly labelled, with specifications outlined.

Do I need a power point for a Rheem gas continuous flow unit?

Most Rheem continuous flow units will require a power point. Some models such as the Rheem Pronto, will not require power.

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