Atag E-series spare parts
Original parts for the Atag E-series series: 11 models, 167 different parts, 105 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.
Instalpunt supplies 167 original parts for the Atag E-series (E22C | up to 2009 OSS1, E26C | up to 2009 OSS2, E32C | up to 2009 OSS2, E32S | up to 2009 OSS2 and 7 andere models), with Atag manufacturer part number and price van €13.47 to €3,828.19. In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page).
- 1 November 2026Price level
Other Atag series: Atag A-seriesAtag i-series (iCon)Atag Q-seriesAtag P-series (iCon)Atag Blauwe EngelAtag XL-series
Choose your Atag E-series model
- Atag E22C | up to 2009 OSS187 parts · exploded view
- Atag E26C | up to 2009 OSS286 parts · exploded view
- Atag E32C | up to 2009 OSS287 parts · exploded view
- Atag E32S | up to 2009 OSS272 parts · exploded view
- Atag E223C | from 8-2009 OSS1100 parts · exploded view
- Atag E264C | from 8-2009 OSS299 parts · exploded view
- Atag E264EC ALEC | from 2013 OSS299 parts · exploded view
- Atag E320S | from 8-2009 OSS287 parts · exploded view
- Atag E325C | from 8-2009 OSS298 parts · exploded view
- Atag E325EC ALEC | from 2013 OSS298 parts · exploded view
- Atag E325EC | from 2012 OSS2103 parts · exploded view
Quick left to the right part
| Part | From | Delivery |
|---|---|---|
| Fan Atag fan assembled 24V DC SHR15/24/35 | €208.99 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
| Ignition part Atag ignition electrode incl. seal Q and SHR after new heat exchanger 2013 from 2009 | €108.63 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
| Pressure sensor Atag water pressure sensor Huba | €119.03 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
| Flow sensor Atag flow sensor | €62.35 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
| Temperature sensor Atag NTC return 10K | €40.51 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
| Pump Atag pump UPMO 20-60 130 9u 230V MOD | €349.39 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
| Heat exchanger Atag plate heat exchanger OSS1 | €138.27 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
| Burner control unit Atag burner control unit for Atag E325C 230V without stepper | €452.35 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
Prices incl. VAT, straight from the checkout. Choose your exact model below for the complete list.
Most frequently replaced parts
- Fans 4
- Sensors 3
- Temperature sensors and NTC sensors 3
- Pressure sensors 1
- Flow sensors and flow switches 1
- Pumps 4
- Heat exchangers 4
- Gas valves and gas control 4
- Burner control units 3
- Ignition and ionisation 1
- Siphons and condensate drains 1
- Burners 2
- Displays and controls 2
- Filters 1
- Maintenance and service kits 3
- Valves 9
- Electrical parts 3
- Tap parts 2
- Cables and wiring harnesses 10
- Gasket sets 2
- Gaskets and seals 35
- Pipes, tubes and hoses 22
- Casing and panels 6
- Insulation 1
- Fixing material 11
- Other parts 29
Fans for the Atag E-series (4)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag fan 230V fits 7 models | 8139182 Mfr. no. S4742800 | €318.19 | In stock | View |
| Rewind refurbished fan for Atag A/E series (S4742800) fits 7 models | 8930071 | €249.55 | In stock | View |
| Rewind refurbished fan for Atag 24V DC (S44427200) fits 4 models | 8930070 | €229.79 | In stock | View |
| Atag fan assembled 24V DC SHR15/24/35 fits 4 models | 8135480 Mfr. no. S4442720 | €208.99 | In stock | View |
Sensors for the Atag E-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag sensor hot water cylinder/return T2-3-8-9 fits 4 models | 8135300 Mfr. no. S4309700 | €29.07 | In stock | View |
| Atag flow sensor/DHW T1 12k ohm fits 4 models | 8135000 Mfr. no. S4307420 | €46.23 | In stock | View |
| Atag flue gas sensor + cable fits 4 models | 8135320 Mfr. no. S4368200 | €89.39 | Made-to-order item | View |
Temperature sensors and NTC sensors for the Atag E-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag NTC return 10K fits 7 models | 8139178 Mfr. no. S4746000 | €40.51 | In stock | View |
| Atag NTC flow 10K fits 7 models | 8139180 Mfr. no. S4745900 | €52.99 | In stock | View |
| Atag NTC domestic hot water fits 6 models | 8139185 Mfr. no. S4746100 | €52.99 | In stock | View |
Pressure sensors for the Atag E-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag water pressure sensor Huba fits 11 models | 8135490 Mfr. no. S4466300 | €119.03 | In stock | View |
Flow sensors and flow switches for the Atag E-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag flow sensor fits 6 models | 8139168 Mfr. no. S4746800 | €62.35 | In stock | View |
Pumps for the Atag E-series (4)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag pump UPMO 20-60 130 9u 230V MOD fits 4 models | 8135296 Mfr. no. S5033700 | €349.39 | In stock | View |
| Atag pump UPMO 15-60 130 9U 230V fits 4 models | 8130007 Mfr. no. S5033900 | €393.07 | In stock | View |
| Atag pump UPM 15-70 A 130mm for EC series fits 3 models | 8130016 Mfr. no. S4783100 | €589.63 | Made-to-order item | View |
| Atag pump UPER 15-60 for E223C/E264C/E325X/E320S | 8139616 Mfr. no. S4774400 | €736.27 | Made-to-order item | View |
Heat exchangers for the Atag E-series (4)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag plate heat exchanger OSS2 + sealing rings fits 5 models | 8139203 Mfr. no. S4744900 | €184.03 | In stock | View |
| Atag plate heat exchanger 35kW PF/ESHR fits 2 models | 8139132 Mfr. no. S4722600 | €292.19 | In stock | View |
| Atag plate heat exchanger OSS1 | 8139202 Mfr. no. S4746400 | €138.27 | In stock | View |
| Atag plate heat exchanger 24kW | 8136250 Mfr. no. S4462400 | €227.71 | In stock | View |
Gas valves and gas control for the Atag E-series (4)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag gas control block fits 7 models | 8139183 Mfr. no. S4751900 | €217.31 | In stock | View |
| Atag gas control block type VK8115V fits 4 models | 8135130 Mfr. no. S4304700 | €201.71 | In stock | View |
| Atag venturi SHR24 for OSS1 fits 2 models | 8139089 Mfr. no. S4318810 | €107.07 | In stock | View |
| Atag venturi SHR 35 for OSS2 fits 9 models | 8136305 Mfr. no. S4318920 | €122.67 | Made-to-order item | View |
Burner control units for the Atag E-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag burner control unit for Atag E325C 230V without stepper fits 7 models | 8139715 Mfr. no. S4835600 | €452.35 | In stock | View |
| Atag burner control unit 24V for stepper version fits 5 models | 8139241 Mfr. no. S4781800 | €472.11 | In stock | View |
| Atag burner control unit MCBA 1417 H1.1 fits 4 models | 8139158 Mfr. no. S4736200 | €529.31 | In stock | View |
Ignition and ionisation for the Atag E-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag ignition electrode incl. seal Q and SHR after new heat exchanger 2013 from 2009 fits 11 models | 8138101 Mfr. no. S4710100 | €108.63 | In stock | View |
Siphons and condensate drains for the Atag E-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag siphon SHR fits 11 models | 8139064 Mfr. no. S4421200 | €56.11 | In stock | View |
Burners for the Atag E-series (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag burner bed assy. OSS2 fits 9 models | 8138103 Mfr. no. S4714700 | €173.63 | In stock | View |
| Atag burner cassette assy. 25kW for OSS1 fits 2 models | 8138102 Mfr. no. S4714600 | €130.99 | In stock | View |
Displays and controls for the Atag E-series (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag control unit housing rear fits 4 models | 8139015 Mfr. no. S4417100 | €47.79 | Made-to-order item | View |
| Atag control unit front PF/ESHR fits 4 models | 8136503 Mfr. no. S4417000 | €51.95 | Made-to-order item | View |
Filters for the Atag E-series (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag water filter fits 4 models | 8136265 Mfr. no. S4317500 | €50.91 | Made-to-order item | View |
Maintenance and service kits for the Atag E-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag maintenance set for OSS2 fits 7 models | 8139216 Mfr. no. S4784800 | €80.03 | In stock | View |
| Atag maintenance set for OSS1 fits 2 models | 8139218 Mfr. no. S4784700 | €73.79 | In stock | View |
| Atag maintenance set OSS2 with ignition electrode | 8139603 Mfr. no. S4785600 | €167.39 | In stock | View |
Valves for the Atag E-series (9)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag safety relief valve Duco 3 bar fits 11 models | 8135200 Mfr. no. S4344630 | €44.15 | In stock | View |
| Atag automatic air vent chrome SHR for OSS1/2/3/4 fits 11 models | 8135041 Mfr. no. S4419110 | €67.55 | In stock | View |
| Atag non-return valve upper tray CLV system fits 7 models | 0650036 Mfr. no. AA000100 | €84.19 | In stock | View |
| Atag mixing valve SHR fits 6 models | 8131121 Mfr. no. S4312500 | €95.63 | In stock | View |
| Atag inlet combination PF/E SHR fits 3 models | 8139063 Mfr. no. S4537400 | €123.71 | In stock | View |
| Atag union nut 15 compression fits 3 models | 8139870 Mfr. no. S1035700 | €30.11 | Made-to-order item | View |
| Atag dosing valve DHW 6,0 l/min | 8139190 Mfr. no. S4755200 | €91.47 | Made-to-order item | View |
| Atag dosing valve 6 l/min grey | 8138014 Mfr. no. S4446400 | €92.51 | Made-to-order item | View |
1 more valves for the Atag E-series: choose your exact model above for the complete list, or view all Atag valves.
Electrical parts for the Atag E-series (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag fuse glass T3.15 250V 3 pcs fits 7 models | 8139166 Mfr. no. S4749200 | €35.31 | In stock | View |
| Atag transformer for MCBA 1415D fits 4 models | 8135421 Mfr. no. S4324900 | €119.55 | In stock | View |
| Atag ignition transformer fits 7 models | 8139184 Mfr. no. S4744100 | €68.59 | Made-to-order item | View |
Tap parts for the Atag E-series (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag cartridge 3-way valve E series after 10/2012 VC4013 fits 6 models | 8139619 Mfr. no. S4828700 | €50.91 | In stock | View |
| Atag cartridge for three-way valve fits 3 models | 8130385 Mfr. no. S4268400 | €106.03 | In stock | View |
Cables and wiring harnesses for the Atag E-series (10)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag spark plug cable set fits 7 models | 8139177 Mfr. no. S4754400 | €52.99 | In stock | View |
| Atag connector external safety control fits 7 models | 8139176 Mfr. no. S4745200 | €33.23 | In stock | View |
| Atag connector room thermostat fits 7 models | 8139175 Mfr. no. S4745100 | €25.95 | In stock | View |
| Atag wiring harness 24V low voltage combi fits 6 models | 8139173 Mfr. no. S4744800 | €50.91 | In stock | View |
| Atag wiring harness 24V low voltage basic fits 7 models | 8139172 Mfr. no. S4744700 | €92.51 | Made-to-order item | View |
| Atag connector outdoor sensor A fits 7 models | 8139588 Mfr. no. S4745400 | €31.15 | Made-to-order item | View |
| Atag connector opentherm fits 7 models | 8139757 Mfr. no. S4745000 | €31.15 | Made-to-order item | View |
| Atag wiring harness 230v upm pump-fan a/e fits 7 models | 8139778 Mfr. no. S4793300 | €51.95 | Made-to-order item | View |
2 more cables and wiring harnesses for the Atag E-series: choose your exact model above for the complete list, or view all Atag cables and wiring harnesses.
Gasket sets for the Atag E-series (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag seal set pipes fits 7 models | 8139209 Mfr. no. S4755100 | €63.39 | Made-to-order item | View |
| Atag seal set three-way valve fits 3 models | 8130885 Mfr. no. S4161300 | €69.63 | Made-to-order item | View |
Gaskets and seals for the Atag E-series (35)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag sealing ring gas valve/venturi for OSS1/2/3/4 fits 11 models | 8139033 Mfr. no. S4337610 | €25.95 | In stock | View |
| Atag sealing ring venturi/fan for OSS1/2/3/4 fits 11 models | 8139034 Mfr. no. S4325610 | €25.95 | In stock | View |
| Atag lip ring outlet stub fits 11 models | 8139019 Mfr. no. S4472600 | €25.95 | In stock | View |
| Atag O-ring 2 pcs fits 11 models | 8131119 Mfr. no. S4312300 | €28.03 | In stock | View |
| Atag gasket fits 11 models | 8135156 Mfr. no. S4323710 | €24.91 | In stock | View |
| Atag sealing ring intake fan SHR for OSS1/2/3/4 fits 11 models | 8135246 Mfr. no. S4309500 | €23.87 | In stock | View |
| Atag gasket fan mouth SHR for OSS1/2/3/4 fits 11 models | 8135270 Mfr. no. S4305700 | €25.95 | In stock | View |
| Atag gasket air supply Ø80 mm fits 11 models | 8135153 Mfr. no. S4323510 | €34.27 | In stock | View |
27 more gaskets and seals for the Atag E-series: choose your exact model above for the complete list, or view all Atag gaskets and seals.
Pipes, tubes and hoses for the Atag E-series (22)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag overflow pipe SHR for OSS1/2/3/4 fits 11 models | 8136272 Mfr. no. S4421400 | €47.79 | In stock | View |
| Atag flue gas adapter fits 9 models | 8139023 Mfr. no. S4500500 | €63.39 | In stock | View |
| Atag pipe Ø22 mm flow/return fits 7 models | 8139194 Mfr. no. S4743200 | €59.23 | In stock | View |
| Atag swivel nut for filter M35 fits 3 models | 8136445 Mfr. no. S4259500 | €35.31 | In stock | View |
| Atag return pipe plate heat exchanger/three-way valve SHR fits 3 models | 8139074 Mfr. no. S4401401 | €60.27 | In stock | View |
| Atag exhaust pipe 63° assembled SHR15/24 fits 2 models | 8135460 Mfr. no. S4499400 | €73.79 | In stock | View |
| Atag safety relief pipe for inlet combination fits 2 models | 8136271 Mfr. no. S4421510 | €36.35 | In stock | View |
| Atag pipe hydroblock/pump fits 7 models | 8139207 Mfr. no. S4743100 | €70.67 | Made-to-order item | View |
14 more pipes, tubes and hoses for the Atag E-series: choose your exact model above for the complete list, or view all Atag pipes, tubes and hoses.
Casing and panels for the Atag E-series (6)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag casing door E series fits 11 models | 8139236 Mfr. no. S4735900 | €80.03 | In stock | View |
| Atag top section VC 2010-10 fits 3 models | 8135170 Mfr. no. S4334910 | €148.15 | In stock | View |
| Atag cover air supply 80mm SHR fits 11 models | 8139210 Mfr. no. S4323310 | €31.15 | Made-to-order item | View |
| Atag cover air supply 120/80mm fits 11 models | 8138013 Mfr. no. S4323410 | €46.75 | Made-to-order item | View |
| Atag casing assy e fits 6 models | 8139815 Mfr. no. S4823000 | €309.87 | Made-to-order item | View |
| Atag flange plate three-way valve fits 3 models | 8139538 Mfr. no. S4371700 | €45.71 | Made-to-order item | View |
Insulation for the Atag E-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 11 models | 8138109 Mfr. no. S4730900 | €35.31 | In stock | View |
Fixing material for the Atag E-series (11)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag sealing cap exhaust pipe Ø13mm for flue gas measurement fits 11 models | 8136420 Mfr. no. S4521600 | €23.87 | In stock | View |
| Atag locking ring small fits 11 models | 8139997 Mfr. no. S4415220 | €36.35 | In stock | View |
| Atag Enigma closure large fits 11 models | 8139160 Mfr. no. S4415120 | €26.99 | In stock | View |
| Atag screw M5 x 12 mm hex socket countersunk (3 pcs) for OSS1/2/3/4 fits 11 models | 8139217 Mfr. no. S4440000 | €23.87 | In stock | View |
| Atag screw taptite M5 x 8 mm ck-pd (3 x ) fits 11 models | 8139214 Mfr. no. S4167500 | €22.83 | In stock | View |
| Atag bolt M5 x 12 mm gr phase hexagon din7985 (5 x ) fits 11 models | 8139213 Mfr. no. S4418710 | €26.99 | In stock | View |
| Atag cap air vent SHR 3 pcs for OSS1/2/3/4 fits 11 models | 8139162 Mfr. no. S4380600 | €43.63 | Made-to-order item | View |
| Atag bolt M6 x 20 mm stainless steel hex socket bp 4,2 3 pcs fits 11 models | 8139513 Mfr. no. S4307220 | €31.15 | Made-to-order item | View |
3 more fixing material for the Atag E-series: choose your exact model above for the complete list, or view all Atag fixing material.
Other parts for the Atag E-series (29)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag clamping rod condensate tray for OSS1/2/3/4 fits 11 models | 8139052 Mfr. no. S4310700 | €33.23 | In stock | View |
| Atag burner toggle rod for OSS1/2/3/4 fits 11 models | 8139057 Mfr. no. S4310800 | €34.27 | In stock | View |
| Atag pipe nipple 1/2"x15 mm coupling gas pipe fits 11 models | 8136392 Mfr. no. S4493300 | €47.79 | In stock | View |
| Atag condensate collector PF/ESHR fits 11 models | 8136277 Mfr. no. S4421300 | €46.75 | In stock | View |
| Atag water trap pressure sensor fits 11 models | 8137098 Mfr. no. S4325900 | €36.35 | In stock | View |
| Atag lower tray assembled OSS2 fits 9 models | 8138107 Mfr. no. S4730700 | €125.27 | In stock | View |
| Atag upper tray assy OSS2 fits 9 models | 8139181 Mfr. no. S4735100 | €114.35 | In stock | View |
| Atag connection lead 230V for e.g. A244C S4746600 fits 7 models | 8139174 Mfr. no. S4746600 | €44.67 | In stock | View |
21 more other parts for the Atag E-series: choose your exact model above for the complete list.
Fault code on your Atag E-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.