Atag XL-series spare parts
Original parts for the Atag XL-series series: 3 models, 73 different parts, 46 of them in stock. Below you will find the most frequently replaced parts by type first; choose your exact model for the complete list with exploded view.
In brief
Instalpunt supplies 73 original parts for the Atag XL-series (XL70 | from 2012 OSS4, XL110 | from 2012 OSS2/4, XL140 | from 2012 OSS4), with Atag manufacturer part number and price van €21.95 to €508.95. Op stock = vandaag besteld, morgen in huis.
- 29 October 2026Price level
Other Atag series: Atag A-seriesAtag i-series (iCon)Atag Q-seriesAtag E-seriesAtag P-series (iCon)Atag Blauwe Engel
Choose your Atag XL-series model
- Atag XL70 | from 2012 OSS466 parts · exploded view
- Atag XL110 | from 2012 OSS2/467 parts · exploded view
- Atag XL140 | from 2012 OSS465 parts · exploded view
Quick left to the right part
| Part | From | Delivery |
|---|---|---|
| Fan Atag fan 230V | €305.95 | In stock |
| Ignition part Atag ignition electrode incl. seal Q and SHR after new heat exchanger 2013 from 2009 | €104.45 | In stock |
| Pressure sensor Atag water pressure sensor Huba | €114.45 | In stock |
| Temperature sensor Atag NTC return 10K | €38.95 | In stock |
| Burner control unit Atag control unit BIC XL series | €508.95 | In stock |
| Display Atag display MMI in housing XL series | €231.95 | In stock |
Prices incl. VAT, straight from the checkout. Choose your exact model below for the complete list.
Most frequently replaced parts
- Fans 3
- Temperature sensors and NTC sensors 3
- Pressure sensors 1
- Pumps 2
- Gas valves and gas control 3
- Burner control units 1
- Ignition and ionisation 2
- Siphons and condensate drains 3
- Burners 1
- Displays and controls 1
- Filters 1
- Maintenance and service kits 3
- Valves 3
- Electrical parts 1
- Tap parts 1
- Cables and wiring harnesses 3
- Gaskets and seals 21
- Pipes, tubes and hoses 3
- Casing and panels 2
- Insulation 1
- Fixing material 5
- Other parts 9
Fans for the Atag XL-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag fan 230V xl oss4 fits 3 models | 8139867 Mfr. no. S4760800 | €359.95 | In stock | View |
| Atag fan 230V | 8139182 Mfr. no. S4742800 | €305.95 | In stock | View |
| Rewind refurbished fan for Atag A/E series (S4742800) | 8930071 | €239.95 | In stock | View |
Temperature sensors and NTC sensors for the Atag XL-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag NTC return 10K fits 3 models | 8139178 Mfr. no. S4746000 | €38.95 | In stock | View |
| Atag NTC flow 10K fits 3 models | 8139180 Mfr. no. S4745900 | €50.95 | In stock | View |
| Atag outdoor sensor for A, E, i and XL series fits 3 models | 0650302 Mfr. no. ARZ0055U | €81.95 | In stock | View |
Pressure sensors for the Atag XL-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag water pressure sensor Huba fits 3 models | 8135490 Mfr. no. S4466300 | €114.45 | In stock | View |
Pumps for the Atag XL-series (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag pump UP 25-80 XL until 11/2014 fits 3 models | 8139842 Mfr. no. S4810300 | €387.95 | Made-to-order item | View |
| Atag pump UP 25-60 XL until 11/2014 | 8139843 Mfr. no. S4810200 | €267.95 | Made-to-order item | View |
Gas valves and gas control for the Atag XL-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag gas control block fits 3 models | 8139183 Mfr. no. S4751900 | €208.95 | In stock | View |
| Atag venturi SHR51/60 fits 3 models | 8139123 Mfr. no. S4319020 | €121.95 | Made-to-order item | View |
| Atag venturi SHR 35 for OSS2 | 8136305 Mfr. no. S4318920 | €117.95 | Made-to-order item | View |
Burner control units for the Atag XL-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag control unit BIC XL series fits 3 models | 8139722 Mfr. no. S4825300 | €508.95 | In stock | View |
Ignition and ionisation for the Atag XL-series (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag ignition electrode incl. seal Q and SHR after new heat exchanger 2013 from 2009 fits 3 models | 8138101 Mfr. no. S4710100 | €104.45 | In stock | View |
| Atag ignition transformer xl fits 3 models | 8139821 Mfr. no. S4802600 | €67.95 | Made-to-order item | View |
Siphons and condensate drains for the Atag XL-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag siphon external complete XL fits 3 models | 8139710 Mfr. no. S4825700 | €61.95 | In stock | View |
| Atag condensate tray oss4 xl fits 2 models | 8139755 Mfr. no. S4792500 | €127.95 | In stock | View |
| Atag condensate tray oss2 xl | 8139754 Mfr. no. S4795600 | €109.95 | In stock | View |
Burners for the Atag XL-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag burner bed OSS3/4 natural gas fits 3 models | 8138129 Mfr. no. S4825600 | €365.95 | In stock | View |
Displays and controls for the Atag XL-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag display MMI in housing XL series fits 3 models | 8139760 Mfr. no. S4825400 | €231.95 | In stock | View |
Filters for the Atag XL-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag air supply filter 100 mm fits 3 models | 0640938 Mfr. no. AX00540U | €247.95 | Made-to-order item | View |
Maintenance and service kits for the Atag XL-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag maintenance set for XL100/XL105/XL110 with ignition electrodes fits 2 models | 8139729 Mfr. no. S4842800 | €182.95 | In stock | View |
| Atag maintenance set XL116/XL140 with ignition electrodes | 8139717 Mfr. no. S4842900 | €203.95 | In stock | View |
| Atag maintenance set XL70 with ignition electrode | 8139819 Mfr. no. S4842700 | €114.95 | In stock | View |
Valves for the Atag XL-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag automatic air vent chrome SHR for OSS1/2/3/4 fits 3 models | 8135041 Mfr. no. S4419110 | €64.95 | In stock | View |
| Atag non-return valve upper tray CLV system fits 3 models | 0650036 Mfr. no. AA000100 | €80.95 | In stock | View |
| Atag safety relief valve 4 bar 3/4" bi ce fits 3 models | 8139828 Mfr. no. S4831000 | €99.95 | Made-to-order item | View |
Electrical parts for the Atag XL-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag switch 230v xl fits 3 models | 8139850 Mfr. no. S4801700 | €47.95 | Made-to-order item | View |
Tap parts for the Atag XL-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag cartridge V filter for air supply 100 mm fits 3 models | 0640939 Mfr. no. AX00770U | €116.95 | Made-to-order item | View |
Cables and wiring harnesses for the Atag XL-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag spark plug cable set fits 3 models | 8139177 Mfr. no. S4754400 | €50.95 | In stock | View |
| Atag adapter cable SHR Huba pressure sensor fits 3 models | 8137070 Mfr. no. S4435400 | €40.95 | In stock | View |
| Atag wiring harness set xl fits 3 models | 8139786 Mfr. no. S4825800 | €336.95 | Made-to-order item | View |
Gaskets and seals for the Atag XL-series (21)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag O-ring condensate tray/siphon fits 3 models | 8131368 Mfr. no. S4316400 | €23.95 | In stock | View |
| Atag sealing ring gas valve/venturi for OSS1/2/3/4 fits 3 models | 8139033 Mfr. no. S4337610 | €24.95 | In stock | View |
| Atag sealing ring venturi/fan for OSS1/2/3/4 fits 3 models | 8139034 Mfr. no. S4325610 | €24.95 | In stock | View |
| Atag O-ring 2 pcs fits 3 models | 8131119 Mfr. no. S4312300 | €26.95 | In stock | View |
| Atag seal burner bed/upper tray for OSS3/4 fits 3 models | 8138120 Mfr. no. S4717400 | €42.95 | In stock | View |
| Atag seal heat exchanger/upper tray for OSS3/4 fits 3 models | 8138122 Mfr. no. S4719900 | €39.95 | In stock | View |
| Atag sealing ring intake fan SHR for OSS1/2/3/4 fits 3 models | 8135246 Mfr. no. S4309500 | €22.95 | In stock | View |
| Atag seal lower tray for OSS3/4 fits 3 models | 8138123 Mfr. no. S4724500 | €35.95 | In stock | View |
13 more gaskets and seals for the Atag XL-series: choose your exact model above for the complete list, or view all Atag gaskets and seals.
Pipes, tubes and hoses for the Atag XL-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag flue gas T-pipe bottom d:110 d:80 fits 2 models | 8132171 Mfr. no. S4811300 | €76.95 | In stock | View |
| Atag flue gas T-pipe top d:110 /80 xl fits 3 models | 8132167 Mfr. no. S4796200 | €97.95 | Made-to-order item | View |
| Atag flue gas sliding piece diameter: 110 xl fits 3 models | 8132170 Mfr. no. S4810900 | €87.95 | Made-to-order item | View |
Casing and panels for the Atag XL-series (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag cover air supply 100 xl fits 3 models | 8139758 Mfr. no. S4810700 | €42.95 | Made-to-order item | View |
| Atag cover air supply 150/100 xl fits 3 models | 8139759 Mfr. no. S4810800 | €29.95 | Made-to-order item | View |
Insulation for the Atag XL-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag insulation set tube plate left and right Q/E for OSS1/2/3/4 fits 3 models | 8138109 Mfr. no. S4730900 | €33.95 | In stock | View |
Fixing material for the Atag XL-series (5)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag screw M5 x 12 mm hex socket countersunk (3 pcs) for OSS1/2/3/4 fits 3 models | 8139217 Mfr. no. S4440000 | €22.95 | In stock | View |
| Atag screw taptite M5 x 8 mm ck-pd (3 x ) fits 3 models | 8139214 Mfr. no. S4167500 | €21.95 | In stock | View |
| Atag bolt M5 x 12 mm gr phase hexagon din7985 (5 x ) fits 3 models | 8139213 Mfr. no. S4418710 | €25.95 | In stock | View |
| Atag mounting bracket SHR51/60 fits 3 models | 8139532 Mfr. no. S4341710 | €33.95 | Made-to-order item | View |
| Atag bolt M6 x 20 mm stainless steel hex socket bp 4,2 3 pcs fits 3 models | 8139513 Mfr. no. S4307220 | €29.95 | Made-to-order item | View |
Other parts for the Atag XL-series (9)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag clamping rod condensate tray for OSS1/2/3/4 fits 3 models | 8139052 Mfr. no. S4310700 | €31.95 | In stock | View |
| Atag burner toggle rod for OSS1/2/3/4 fits 3 models | 8139057 Mfr. no. S4310800 | €32.95 | In stock | View |
| Atag water trap pressure sensor fits 3 models | 8137098 Mfr. no. S4325900 | €34.95 | In stock | View |
| Atag flue gas seal Ø80 mm XL fits 3 models | 8139636 Mfr. no. S4816700 | €36.95 | In stock | View |
| Atag intake piece SHR51/60 fits 3 models | 8135419 Mfr. no. S4324720 | €59.95 | Made-to-order item | View |
| Atag upper tray assy oss4 xl fits 3 models | 8139751 Mfr. no. S4825500 | €214.95 | Made-to-order item | View |
| Atag condensate plug 1/4" for OSS1/2/3/4 fits 3 models | 8139712 Mfr. no. S4674500 | €30.95 | Made-to-order item | View |
| Atag siphon pipe internal xl fits 3 models | 8139853 Mfr. no. S4803100 | €69.95 | Made-to-order item | View |
1 more other parts for the Atag XL-series: choose your exact model above for the complete list.
Fault code on your Atag XL-series?
Look up the fault code in our Atag fault code-database: for each code you see the cause and the part that usually needs replacing.
Frequently asked questions
Which parts are replaced most often on an Atag XL-series?
In the parts lists of the 3 Atag XL-series models, fans, temperature sensors and ntc-sensors, pressure sensors appear most often. In the event of a fault, the ignition electrode, fan, pump, diverter valve and sensors are the usual suspects; the appliance’s fault code usually points to the part.
How much does a fan for the Atag XL-series cost?
At Instalpunt a new, original fan for the Atag XL-series costs from €305.95 incl. VAT (Atag fan 230V, in stock). The version that fits your appliance is shown in the parts list of your exact model.
How much does an ignition part for the Atag XL-series cost?
At Instalpunt a new, original ignition part for the Atag XL-series costs from €104.45 incl. VAT (Atag ontsteekelectrode incl. afdichting Q and SHR after nieuwe wisselaar 2013 from 2009, in stock). The version that fits your appliance is shown in the parts list of your exact model.
How much does a pressure sensor for the Atag XL-series cost?
At Instalpunt a new, original pressure sensor for the Atag XL-series costs from €114.45 incl. VAT (Atag waterdruk sensor Huba, in stock). The version that fits your appliance is shown in the parts list of your exact model.
How do I know which Atag XL-series model I have?
Check the rating plate on the underside or inside of the casing: it shows the exact type (for example Atag XL70 | from 2012 OSS4) and the serial number. Then choose your model above for the complete parts list. Not sure which model you have? Contact the manufacturer.
Are these original Atag parts?
Yes. All parts come through the official technical wholesaler and are listed under the Atag manufacturer part number in the appliance’s parts list. Items in stock are shipped the same working day if ordered before 14:00 (delivery to EU countries usually 3–5 working days); parts to order have the stated lead time.