Head to head
Baxi 800 Combi 2 36kW vs Heatrae Sadia Multipoint 50
The Baxi 800 Combi 2 36kW comes with 8 years more warranty.
Last reviewed 13 September 2026
Key differences
- Warranty: the Baxi 800 Combi 2 36kW comes with 8 years more warranty.
Specifications side by side
| Baxi 800 Combi 2 36kW | Heatrae Sadia Multipoint 50 | |
|---|---|---|
| Dimensions | 700 x 390 x 285 mm | 1007 x 997 x 350 (V) / 371 x 371 x 350 (H) mm |
| Warranty | 10 years | 2 years full warranty, 10 years on the inner cylinder |
| Hot water output | 36 kW | - |
| Central heating output | 26.4 kW | - |
| ErP class | A | - |
| Seasonal efficiency | 93% | - |
| Weight | 29.5 kg | - |
| Hot water flow rate | 15 litres per minute | - |
| Capacity | - | 50 litres |
| Power | - | 3 kW, 230V |
| Heat-up time | - | approx. 58 minutes |
| Recovery time | - | approx. 41 minutes |
| Max operating pressure | - | 10 bar |
Sources: Baxi 800 Combi 2 36kW, Heatrae Sadia Multipoint 50. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 800 Combi 2 36kW if...
- you want one that comes with 8 years more warranty
A gas combi boiler with 36 kW of hot water output, sized for a larger house with two bathrooms. It delivers about 15 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 10 years. Seasonal efficiency is 93%.
Full 800 Combi 2 36kW specifications →Buy or hire the Multipoint 50 if...
A 50 litre electric unvented water heater from Heatrae Sadia's Multipoint range, for a property with no boiler-fed hot water such as an outbuilding or small flat. It runs from a 3kW element and carries a 10 year warranty on the inner cylinder.
Full Multipoint 50 specifications →Common questions
What is the difference between the Baxi 800 Combi 2 36kW and the Heatrae Sadia Multipoint 50?
The Baxi 800 Combi 2 36kW comes with 8 years more warranty. The Baxi 800 Combi 2 36kW is a gas combi boiler, 36 kW hot water output; the Heatrae Sadia Multipoint 50 is a electric unvented water heater, 50 litres.
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