Heat Only Boilers

Baxi 400 Heat

The Baxi 400 Heat has no need for a pump overrun or permanent live to save time during installation.

This boiler can be installed on open vent or sealed systems and has an optional in-case rear flue for a neater installation.

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Features and Benefits Product Literature Dimensions Technical Specification

Features and Benefits

Multiple outputs

Available in outputs of 15, 18 and 24kW

Lightweight

Only 17.4kg installer lift weight

Secure

Easy-fit wall mounting bracket featuring a positive fix and audible lock, so you know it’s secure

Easy installation

1-metre lead included, allowing easy installation and removes the need to access the control box

Flexible

Top central or optional in-case rear flue giving flexibility to site

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Product Literature

Installation and Service Manuals

User Guides

Specification Guides

Product Fiche

Energy Labels

Dimensions

A: Boiler Width = 370mm

B: Boiler Height = 625mm

C: Boiler Depth = 270mm

D: Side Clearance = 5mm

E: Upper Clearance = 190mm

F: Lower Clearance = 120mm

G: Front Clearance = 5mm in operation (500mm for servicing)

Technical Specification

Product Model	15kW	18kW	24kW
Product Code	7668933	7668934	7668935
Controls
Operating mode selector switch with reset (Yes/No)	Yes	Yes	Yes
User adjustable CH temperature -Range - e.g. 30ºC to 80ºC (+/- 5ºC)	Yes	Yes	Yes
LED status/fault diagnosis display (Yes/nNo)	Yes	Yes	Yes
Gas
SAP 2009 Annual Efficiency (PCDB/SEDBUK) %	89.2	89.2	89.1
NOx class (1-5)	5	5	5
ErP Product Information
NOx (mg/kWh)	20	21	23
Sound Power Level, Indoors (LWA dB)	33	34	35
Space Heating Efficiency Class	A	A	A
Heat Input CH -kW max gross (QnHs)	18.32	21.75	28.62
Heat Input CH - kW min gross (QnHs)	8.59	8.59	8.59
Heat Output CH (non condensing) - kW max (Pn)	16	19	25
Heat Output CH (non condensing) - kW min (Pn)	7.5	7.5	7.5
Gas supply pipe size (mm)	22	22	22
Inlet supply pressure (natural gas) - mbar	20	20	20
Maximum gas rate (m3/hr)	1.75	2.07	2.73
Mechanical and hydraulic
Compartment ventilation required	No	No	No
Flow / return pipe size (mm)	22	22	22
Condensate discharge pipe (mm)	21.5	21.5	21.5
Electrical
Electrical supply - Volts/Hz	230V/50Hz	230V/50Hz	230V/ 50Hz
Permanent live required (Yes/No)	No	No	No
Switched live (Yes/No)	Yes	Yes	Yes
Electrical power cable fitted as standard (1m of 3 core)	Yes	Yes	Yes
Power consumption (Watts)	20	23	33
External fuse rating (Amps)3	3	3
Internal fuse rating	1.6T	1.6T	1.6T
Boiler IP rating (electrical protection) -Approval category	IPX4D	IPX4D	IPX4D
Pump overrun (Yes/No)	No	No	No
Concentric flue system
Standard telescopic concentric flue (Length in mm)	315-500	315-500	315-500
Standard in-case rear telescopic concentric flue (Length in mm)	220-345	220-345	220-345
Horizontal concentric (60/100mm) - Max equivalent length (m)	6	6	6
Horizontal concentric (60/100mm) - Reduction per 135º bend (m)	0.5	0.5	0.5
Horizontal concentric (60/100mm) - Reduction per 93º bend (m)	1	1	1
Horizontal concentric (80/125 mm) - Max equivalent length (m)	12	12	12
Horizontal concentric (80/125 mm) - Reduction per 93º bend (m)	1	1	1
Weight
Installer lift weight -Max (kg)	17.4	17.4	17.4
Gross packaged boiler weight (kg)	21.5	21.5	21.5

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