Baxi 600 System 2

Baxi 600 System 2 - System Boilers

System Boilers

Baxi 600 System 2

The Baxi 600 System 2 can be manually converted between natural gas or LPG without the need to purchase an accessory kit.


The system boiler is compatible with Megaflo and Baxi cylinders for that industry leading hot water performance. 

Features and Benefits

Multiple outputs

Available in outputs of 15, 18 & 24kW, natural gas or LPG

Safer and cleaner

Combined PrV with separate drain to facilitate a safer and clearer boiler drain down for repair


Colour-coded and removable wiring blocks to save time during installation

Quicker installation

Compatible with internal fit telescopic flue for a safer and quicker one-person fit installation from inside the property


Easy-Fill 2 permanent filling link enabling homeowner self-top up of system pressure to prevent engineer call outs
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Product Literature

Installation and Service Manuals

Installation and Service Manuals

User Guides

User Guides

Specification Guides

Specification Guides

Product Documentation

No documentation available.

Product Fiche

Product Fiche

Energy Labels

Baxi Duo-tec Compact Combi Boiler Dimensions


A: Boiler Width = 390mm

B: Boiler Height = 700mm

C: Boiler Depth = 285mm

D: Side Clearance = 5mm

E: Upper Clearance = 178mm

F: Lower Clearance = 200mm

G: Front Clearance = 5mm in operation (450mm for servicing)

Technical Specification

Product Model

15 System

18 System

24 System

Product Code 784472078447227844723
Natural gas or LPG Natural GasNatural GasNatural Gas
Inlet supply pressure (natural gas)mbar (nominal)202020
Maximum Gas Rate (G20) Qmaxm³ / hr1.641.962.61
Heat Input CHkW (max) Gross (QnHs)17.220.627.4
kW (min) Gross (QnHs)
Heat Output CH (non-condensing)kW (Max) (Pn)151824
kW (Min) (Pn)
Heat Output CH (condensing)kW (Max) (Pnc)16.219.425.8
kW (Min) (Pnc)
Heat Input domestic hot water (DHW)kW max gross (QnwHs)N/AN/AN/A
Heat output domestic hot water (DHW)kW maxN/AN/AN/A
Water heating efficiency class N/AN/AN/A
Permanent live required YesYesYes
External fuse rating (on connection board)Amps333
Pump overrun YesYesYes
Integral 'boiler only' frost thermostat YesYesYes
Maximum DHW flow rate (Delta T @ 35'C rise)l/minN/AN/AN/A
Minimum DHW flow rate requiredl/minN/AN/AN/A
Minimum operating DHW pressure requiredbar0.50.50.5
Integral expansion vesselSize (litres)777
Maximum capacity of the CH systemLitres100100100
Integral automatic bypass YesYesYes
Installer Lift Weight(kg)28.928.928.9

Contact your ASM

If you are a merchant or installer, your local Baxi representative is here to help.

More Information

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