Natural Gas Preset to 50c 6 Star Instantaneous Choose from 16, 20 or 26 Litres per minute of endless hot water.
Natural Gas Preset to 50c 6 Star Instantaneous Choose from 16, 20 or 26 Litres per minute of endless hot water.
in 7 offers
The lowest price for Rinnai B20N50A 20L Natural Gas Instantaneous Hot Water System right now is $998.00 at hotwaterboss, compared across 5 retailers.
The all-time low was $899.00 on 23 Feb 2026 — today's price is 11% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 29 June 2026.
Rinnai B20N50A 20L Natural Gas Instantaneous Hot Water System
Natural Gas Preset to 50c 6 Star Instantaneous Choose from 16, 20 or 26 Litres per minute of endless hot water.
Natural Gas Preset to 50c 6 Star Instantaneous Choose from 16, 20 or 26 Litres per minute of endless hot water.
Last updated at 29/06/2026 06:55:31
Builders 20L LPG Continuous Flow (60°C Preset) - B20L60A
Free delivery
Builders 20L Natural Gas Continuous Flow (50°C Preset) - B20N50A
Free delivery
Builders 20L LPG Continuous Flow (50°C Preset) - B20L50A
Free delivery
Rinnai B20 Instant Gas Hot Water System
Delivery between Tue – Thu $55
Rinnai Builders Gas Continuous Flow 20L / Nat. Gas / 50 Deg. Preset
Delivery between Wed – Thu $100
Rinnai B20 Builders Series Continuous Flow Hot Water 50°C Natural Gas
Delivery $29.95
Rinnai 20L Natural Gas Instantaneous Hot Water System B20N50A
14-day returns
Builders 20L LPG Continuous Flow (60°C Preset) - B20L60A
Free delivery
Builders 20L Natural Gas Continuous Flow (50°C Preset) - B20N50A
Free delivery
Builders 20L LPG Continuous Flow (50°C Preset) - B20L50A
Free delivery
Rinnai B20 Instant Gas Hot Water System
Delivery between Tue – Thu $55
Rinnai Builders Gas Continuous Flow 20L / Nat. Gas / 50 Deg. Preset
Delivery between Wed – Thu $100
