All Webasto parts are readily available to purchase as spares, with many of them as standard stock. Below is a list of the most common parts. If you can’t find what you require please don’t hesitate to contact us.

Airtop 2000 Operating Controls
- Rotary Rheostat Control
- Rheostat Switch Plate
- External Temperature Sensor
- Combi Rheostat/Digital Timer
- Digital Timer Mounting Kit
- Digital Timer Housing

Airtop 2000 – Exhaust + Combustion System
- Air Intake Silencer 22mm
- Combustion Air Hose 22mm
- Combustion Air Hose End Cap
- Hose Clip 20-27mm
- P Clip 25mm
- Exhaust Silencer 22mm
- Stainless Steel Exhaust Pipe (per m) 22mm
- Exhaust End Cap
- Exhaust Clamp 22mm
- P Clip 25mm
- Hose Clamp 26-28mm
- Exhaust Elbow 22mm
- Exhaust Pipe Adaptor 22-24mm
- Exhaust Silencer (Leakproof)
- Not Shown – Exhaust Pipe Lagging
- Not Shown – Exhaust Skin Fitting 24mm
- Not Shown – Stainless Steel Cable Ties

Airtop 2000 Ducting
- 60mm Warm Air Ducting
- Protective Screen 60mm
- Air Inlet Grille 60mm
- Flap Valve Y Piece 60mm
- 60mm T Piece
- 60mm Y Branch
- 60mm Connector Pipe
- 60mm End Cap
- 60mm Fixed Outlet (Black, White, Brown, Beige or Grey)
- 60mm Fixed Outlet (Black, White, Brown. Beige or Grey)
- 60mm Closable Outlet (Black, White, Brown, Beige or Grey)
- 60mm Backing Nut for outlet
- 60mm T Piece with connector
- 60mm Wall Pipe
- 60mm Elbow
- 60mm Outlet Ball Type
- Ducting Support Bracket
- Not Shown – 60mm Thermoduct Ducting insulation
- Not Shown – Hose Clip
Airtop 2000s Replacement parts
- Inlet/Outlet Screen (Airtop 2000)
- Heating Air Outlet (Airtop 2000)
- Control Unit Cover (Airtop 2000)
- Upper/Lower Plastic Casing (Airtop 2000)
- Control Unit
- Internal Temperature Sensor
- Air Inlet Ring
- 1a Air Inlet Ring (Airtop 2000s)
- 2a Air Inlet Hood (Airtop 2000s)
- 3a Bottom Casing (Airtop 2000s)
- 4a Upper Casing (Airtop 2000s)
- 5a Outlet Hood 60mm (Airtop 2000s)
- 6a Outlet Hood 75mm (Airtop 2000s)
- 7a Supporting Angle (Airtop 2000s)
- 8a Supporting Angle Screw (Airtop 2000s)
- Sound Deadening Matting
- Drive Assembly
- Air Guiding Plate
- Socket
- Flame Detector
- Glowpin
- Burner
- Burner Tube
- Gasket Set
- Heat Exchanger
- Overheat Sensor
- Fuel Pump


Airtop 3500/3900 + 5000/5500 – Operating Controls
- Rotary Rheostat Control
- Rheostat Switch Plate with Vent Switch (Airtop 3500/5000 only)
- External Temperature Sensor (Airtop 3500/5000 only)
- Combi Rheostat/Digital Timer
- Digital Timer Mounting Kit
- Digital Timer Housing
- Vent Switch (Airtop 3500/5000 only)
- Airtop EVO MC 05 Standard Controller

Airtop 3500/3900 + 5000/5500 – Exhaust + Combustion System
- Air Intake Silencer
- Combustion Air Elbow
- Combustion Air Hose 25mmv
- Combustion Air Hose End Cao
- Exhaust Silencer
- Exhaust Elbow
- Exhaust End Cap
- Exhaust Silencer (Leakproof)
- Exhaust Clamp
- Stainless Steel Exhaust Pipe (per m) 24mm
- Not Shown – Hose Clamp 20-32mm
- Not Shown – Exhaust Pipe Lagging
- Not Shown – Exhaust Skin Fitting 24mm
- Not Shown – Stainless Steel Cable Ties

Airtop 3500/3900 + 5000/5500 Ducting
- 80mm Warm Air Ducting
90mm Warm Air Ducting - Air Inlet Grille 90mm
- Embellisher Grille 80mm
- Flap Valve Y Piece 90mm
- 90mm Y Piece
- 80x60x60 Y Piece
- 90mm Elbow
- 90mm T Piece 60mm End Cap
- 90x60x90mm Y Branch
- 90mm Connector Pipe
- 90-80mm reducer
90-60mm reducer - 90mm End Cap
- 90mm Fixed Outlet (Black, White or Grey)
- 90mm Fixed Outlet (Black, White or Grey)
- 90mm Closable Outlet (Black, White or Grey)
- 90mm Backing Nut for Outlet
- 90x60x90mm T Piece with connector
- 90mm Wall Pipe
- Ducting Support Bracket
- Not Shown – 80mm Thermoduct Ducting insulation
- 100mm Thermoduct Ducting insulation
- Not Shown – 90mm Ducting Silencer
- 80mm Ducting Silencer
Airtop 3500 + 5000 Replacement parts
- Control Unit Cover
- Top Casing
- Bottom casing
- Inlet Hood
- Outlet Hood
- Control Unit
- Temperature Sensor
- Overheat Protection
- Sound Deadening Matting
- Drive Assembly
- Glowpin
- Burner and Glowpin assembly
- Burner Tube
- Gasket Set
- Heat Exchanger
- Burner
- Fuel Pump
- Overheat Protection
- Fuel Pump

Airtop 3900 + 5500 Replacement parts
- Top Casing
- Bottom casing
- Inlet Hood
- Outlet Hood
- Control Unit
- OverheatTemperature Sensor
- Replacement Isolator Set
- Drive Assembly
- Glowpin
- Burner – Petrol
- Burner – Diesel
- Burner Tube
- Gasket Set
- Heat Exchanger
- Screw Set
- Not Shown – Fuel Pump


Thermotop E + C – Exhaust + Combustion System
- Combustion Air Hose 25mm
- Combustion Air Hose End Cap 25mm
- Hose Clip 20-27mm
- Stainless Steel Exhaust Pipe (per m) 22mm
- Exhaust Silencer 22mm
- P Clip 25mm
- Protection End Cap
- Exhaust Clamp 24-27mm
- Not Shown – Exhaust Pipe Adaptor 22-24mm
- Not Shown – Exhaust Pipe Lagging
- Not Shown – Exhaust Skin Fitting 24mm
- Not Shown – Stainless Steel Cable Ties

Thermotop E + C – Replacement Parts
- Combustion Air Motor
- Burner
- Heat Exchanger + ECU
- Water Pump
- Water Pump Housing
- Water Pump Housing

Thermo 90s – Operating Controls.
- 2 Position Switch
- Room Thermostat Unswitched
- Room Thermostat Electrical
- Room Thermostat Sensor
- Timer Mounting Plate
- Timer Housing
- Digital Timer

Thermo 90s – Exhaust System
- Intake Silencer
- Combustion Air Hose 30mm
- Hose Clip 20-32mm
- P Clip 34mm
- Exhaust Silencer 38mm
- Stainless Steel Exhaust Pipe 38mm
- Exhaust End Cap
- Exhaust Clamp 38mm
- P Clip 42mm
- Mounting Strip
- Not Shown – Exhaust Pipe Lagging
- Not Shown – Stainless Steel Cable Ties
- Not Shown – Stainless Steel Exhaust Fitting
Thermo 90s – Replacement Parts
- Combustion Fan
- Hose Clamp
- Gasket ring
- Gasket Ring
- Flame Detector
- Glowpin
- Temperature Sensor
- Gasket Ring
- Overheat Protection
- Water Pump
- Gasket Ring
- Water Pump Mounting Bracket
- Protection Cap
- Burner
- Gasket Ring
- Burner Tube
- Heat Exchanger
- Fuel Pump
- Control Unit

