Rheem 20L Gas Continuous Flow Hot Water Systems Perth

Rheem 20L Gas Continuous Flow

Installation, repair and servicing throughout Perth

Rheem 20L Gas Continuous Flow

The Rheem 20L Continuous Flow Gas Hot Water System offers reliable, on-demand hot water for medium-sized households. Designed for outdoor installation, this compact and energy-efficient unit delivers a steady 20 litres of hot water per minute—so you never run out mid-shower. Whether you’re upgrading your existing system or building new, this is a smart, space-saving solution with modern safety features and great performance. Available in both natural gas and propane options, and with temperature-limited 50°C models for family safety, Rheem has your hot water covered.

FEATURES:

Heating Method: Gas burner with electronic ignition

Hot Water Supply: Endless supply – heats as you need it

Recovery Time: Instantaneous

Installation Location: Outdoor only

Water Pressure:

Minimum: 120 kPa

Maximum: 1000 kPa

Energy Efficiency: 6-Star rating for energy savings

Operating Costs: Lower than traditional systems due to on-demand heating and no standby losses

Best for: Medium homes with moderate to high hot water needs

Additional Features:

  • Compact Design: Wall-mounted to save space
  • Optional Remote Controls: Control your hot water temperature from kitchen or bathroom
  • Safety Features:
    • LED display for diagnostics
    • FlameSafe® automatic shutdown
    • Overheat protection
  • Accessories Available:
    • Pipe cover, recess box, security cage, and wall mount kits
  • Family-Friendly: 50°C preset models avoid scalding without needing extra valves

Specifications

Hot Water Delivery: 20L/min (at 25°C rise)
Gas Consumption: 157 MJ/hr (natural gas or propane)
Weight (Empty) 16 kg
Height 585 mm
Width 355 mm
Depth 188 mm

Warranties

Manufacturers Tank Warranty (Domestic) 12 years on the heat exchanger
Manufacturers Parts & Labour Warranty (Domestic) 3 years

Technical Specifications

Powerpoint Required: Yes – standard weatherproof outlet
Hot Water Connection: R 3/4 BSP
Frost Protection: Built-in
Preset Outlet Temperature: 50°C model (Model 876A20 – no tempering valve needed)
60°C model (Model 874A20 – adjustable)
Electricity Consumption: 43.9W (burner on, anti-frost inactive)
116W (burner on, anti-frost active)

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