Atag i28ECZ-TY28E50H spare parts
In brief
Instalpunt supplies 83 original parts for the Atag i28ECZ-TY28E50H, including fans, temperature sensors and NTC sensors, pressure sensors. Order online.
- 83Spare parts
- 42In stock
- €18.95From
- 22Types
- availableExploded view
Looking for parts for the Atag i28ECZ-TY28E50H (boiler)? Below are all 83 original parts, grouped by part type, with the matching exploded view. Choose a type to jump straight to the right table.
View the interactive exploded view →Quick left to the right part for the Atag i28ECZ-TY28E50H
| Part | From | Delivery |
|---|---|---|
| Fan Atag fan 325VDC iCon1 for e.g. i28ECZ-TY28E50H S4946510 | €315.95 | In stock |
| Ignition part Atag ignition cable set | €53.95 | In stock |
| Pressure sensor Atag water pressure sensor 5V cbr-aptop | €87.95 | In stock |
| Flow sensor Atag flow sensor | €59.95 | In stock |
| Temperature sensor Atag NTC return 10K | €38.95 | In stock |
| Burner control unit Atag control unit iZ CBR3.0 NL | €338.95 | In stock |
Prices incl. VAT, taken directly from our checkout. Below is the complete parts list for this model.
Installer or self-employed engineer? Create a business account: prices excl. VAT and invoices in your company name.
- Fans 1
- Temperature sensors and NTC sensors 3
- Pressure sensors 1
- Flow sensors and flow switches 1
- Pumps 1
- Heat exchangers 1
- Gas valves and gas control 1
- Burner control units 1
- Diverter valves and hydroblocks 4
- Ignition and ionisation 3
- Siphons and condensate drains 4
- Burners 1
- Displays and controls 3
- Maintenance and service kits 1
- Valves 4
- Electrical parts 1
- Tap parts 2
- Cables and wiring harnesses 5
- Gaskets and seals 16
- Pipes, tubes and hoses 7
- Casing and panels 4
- Fixing material 6
- Other parts 12
Fans for the Atag i28ECZ-TY28E50H (1) all Atag fans →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag fan 325VDC iCon1 for e.g. i28ECZ-TY28E50H S4946510 | 8130064 Mfr. no. S4946510 | €315.95 | In stock | View & order |
Temperature sensors and NTC sensors for the Atag i28ECZ-TY28E50H (3) all Atag temperature sensors and NTC sensors →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag NTC domestic hot water | 8139185 Mfr. no. S4746100 | €50.95 | In stock | View & order |
| Atag NTC return 10K | 8139178 Mfr. no. S4746000 | €38.95 | In stock | View & order |
| Atag NTC flow 10k icon | 8132228 Mfr. no. S4891600 | €49.95 | In stock | View & order |
Pressure sensors for the Atag i28ECZ-TY28E50H (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag water pressure sensor 5V cbr-aptop | 8139273 Mfr. no. S4917800 | €87.95 | In stock | View & order |
Flow sensors and flow switches for the Atag i28ECZ-TY28E50H (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag flow sensor | 8139168 Mfr. no. S4746800 | €59.95 | In stock | View & order |
Pumps for the Atag i28ECZ-TY28E50H (1) all Atag pumps →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag pump Wilo para 7-60 IPWM (from August 2022) | 8130068 Mfr. no. S5028000 | €658.95 | Made-to-order item | View & order |
Heat exchangers for the Atag i28ECZ-TY28E50H (1) all Atag heat exchangers →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag plate heat exchanger iCon1 | 8132191 Mfr. no. S4851300 | €208.95 | Made-to-order item | View & order |
Gas valves and gas control for the Atag i28ECZ-TY28E50H (1) all Atag gas valves and gas control →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag gas control valve i-s | 8138555 Mfr. no. S4856300 | €205.95 | In stock | View & order |
Burner control units for the Atag i28ECZ-TY28E50H (1) all Atag burner control units →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag control unit iZ CBR3.0 NL | 8130069 Mfr. no. S5037600 | €338.95 | In stock | View & order |
Diverter valves and hydroblocks for the Atag i28ECZ-TY28E50H (4) all Atag diverter valves and hydroblocks →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag 3-way valve motor 230V + clip iC up to 03/2020 | 8138552 Mfr. no. S4855500 | €165.95 | In stock | View & order |
| Atag 3-way valve motor EK P series after 03/2020 | 8139253 Mfr. no. S4927700 | €117.95 | Made-to-order item | View & order |
| Atag bypass internal | 8139271 Mfr. no. S4875700 | €40.95 | In stock | View & order |
| Atag hydroblock flow-pump compression S4968700 | 8139252 Mfr. no. S4968700 | €241.95 | Made-to-order item | View & order |
Ignition and ionisation for the Atag i28ECZ-TY28E50H (3) all Atag ignition and ionisation →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag ignition electrode + seal iCon | 8138558 Mfr. no. S4863600 | €93.95 | In stock | View & order |
| Atag ignition transformer | 8138546 Mfr. no. S4851000 | €54.95 | In stock | View & order |
| Atag ignition cable set | 8138559 Mfr. no. S4863800 | €53.95 | In stock | View & order |
Siphons and condensate drains for the Atag i28ECZ-TY28E50H (4) all Atag siphons and condensate drains →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag siphon latch i-s | 8132182 Mfr. no. S4846800 | €25.95 | In stock | View & order |
| Atag condensate tray assy icon1 | 8132209 Mfr. no. S4863400 | €100.95 | In stock | View & order |
| Atag condensate drain set | 8132229 Mfr. no. S4894100 | €59.95 | In stock | View & order |
| Atag siphon complete set | 8132211 Mfr. no. S4863700 | €67.95 | Made-to-order item | View & order |
Burners for the Atag i28ECZ-TY28E50H (1) all Atag burners →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag burner bed icon1 | 8132187 Mfr. no. S4849100 | €139.95 | Made-to-order item | View & order |
Displays and controls for the Atag i28ECZ-TY28E50H (3) all Atag displays and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag display TOP HMI EU V3.0 | 8130071 Mfr. no. S4962610 | €226.95 | Made-to-order item | View & order |
| Atag push buttons control I series lux S4910800 | 8139276 Mfr. no. S4910800 | €46.95 | Made-to-order item | View & order |
| Atag rotary knob control I series lux S4910900 | 8139287 Mfr. no. S4910900 | €45.95 | Made-to-order item | View & order |
Maintenance and service kits for the Atag i28ECZ-TY28E50H (1) all Atag maintenance and service kits →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag maintenance set icon-1 | 8132215 Mfr. no. S4867900 | €75.95 | In stock | View & order |
Valves for the Atag i28ECZ-TY28E50H (4) all Atag valves →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag automatic air vent chrome SHR for OSS1/2/3/4 | 8135041 Mfr. no. S4419110 | €64.95 | In stock | View & order |
| Atag safety relief valve 3 bar iCon | 8138549 Mfr. no. S4852500 | €45.95 | In stock | View & order |
| Atag ICON non-return valve upper tray | 0650347 Mfr. no. AA07400U | €80.95 | In stock | View & order |
| Atag dosing valve DHW 7,6 l/min | 8139191 Mfr. no. S4755300 | €87.95 | Made-to-order item | View & order |
Electrical parts for the Atag i28ECZ-TY28E50H (1) all Atag electrical parts →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag fuse 2,5 at 250v 3 pcs S4933600 | 8139278 Mfr. no. S4933600 | €46.95 | Made-to-order item | View & order |
Tap parts for the Atag i28ECZ-TY28E50H (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag cartridge 3-way valve E series after 10/2012 VC4013 | 8139619 Mfr. no. S4828700 | €48.95 | In stock | View & order |
| Atag cartridge for 3-way valve EK after 03/2020 | 8135648 Mfr. no. S4990000 | €94.95 | In stock | View & order |
Cables and wiring harnesses for the Atag i28ECZ-TY28E50H (5) all Atag cables and wiring harnesses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag connector tw gpi white S492300 | 8139279 Mfr. no. S4920300 | €51.95 | Made-to-order item | View & order |
| Atag connector tw ot sky blue S4920600 | 8139281 Mfr. no. S4920600 | €46.95 | Made-to-order item | View & order |
| Atag connector ebus old pink S4920700 | 8139282 Mfr. no. S4920700 | €46.95 | Made-to-order item | View & order |
| Atag connector tw ntc4 salmon red S4920900 | 8139283 Mfr. no. S4920900 | €46.95 | Made-to-order item | View & order |
| Atag wiring harness three-way valve cbr-ap S4927500 | 8139285 Mfr. no. S4927500 | €51.95 | Made-to-order item | View & order |
Gaskets and seals for the Atag i28ECZ-TY28E50H (16) all Atag gaskets and seals →
Pipes, tubes and hoses for the Atag i28ECZ-TY28E50H (7) all Atag pipes, tubes and hoses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag adapter Ø80/125mm | 0640810 Mfr. no. RA10C0P0 | €71.95 | In stock | View & order |
| Atag adapter Ø80/80mm | 0640812 Mfr. no. RA10T0P0 | €71.95 | In stock | View & order |
| Atag concentric adapter 60/100 mm for the i Zone series | 0642126 Mfr. no. RA10C0P1 | €73.95 | In stock | View & order |
| Atag flue pipe i series | 8132175 Mfr. no. S4844700 | €93.95 | Made-to-order item | View & order |
| Atag elbow return icon | 8132185 Mfr. no. S4847500 | €87.95 | Made-to-order item | View & order |
| Atag flow pipe icon | 8132193 Mfr. no. S4851500 | €93.95 | Made-to-order item | View & order |
| Atag pipe three-way valve-pump icon | 8132194 Mfr. no. S4851600 | €114.95 | Made-to-order item | View & order |
Casing and panels for the Atag i28ECZ-TY28E50H (4) all Atag casing and panels →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag cover DHW hydroblock plastic | 8139265 Mfr. no. S4950800 | €46.95 | In stock | View & order |
| Atag complete casing white for I series | 8139964 Mfr. no. S4875100 | €324.95 | Made-to-order item | View & order |
| Atag burner control unit housing EU S4864200 | 8139274 Mfr. no. S4864200 | €115.95 | Made-to-order item | View & order |
| Atag connector cover caps S4930800 | 8139288 Mfr. no. S4930800 | €50.95 | Made-to-order item | View & order |
Fixing material for the Atag i28ECZ-TY28E50H (6) all Atag fixing material →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag plug test points concentric connector (2x) | 8139856 Mfr. no. S4742600 | €31.95 | In stock | View & order |
| Atag hinge i series boiler | 8132218 Mfr. no. S4877400 | €48.95 | In stock | View & order |
| Atag hinge lmu i series | 8132227 Mfr. no. S4884500 | €49.95 | Made-to-order item | View & order |
| Atag clip hydroblock cover 3 pcs S4950600 | 8139267 Mfr. no. S4950600 | €48.95 | Made-to-order item | View & order |
| Atag locking plate gas pipe S4885700 | 8139272 Mfr. no. S4885700 | €47.95 | Made-to-order item | View & order |
| Atag bolt M5 x 12 mm gr phase hexagon din7985 (5 x ) | 8139213 Mfr. no. S4418710 | €25.95 | In stock | View & order |
Other parts for the Atag i28ECZ-TY28E50H (12)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Atag clamping rod condensate tray icon | 8132190 Mfr. no. S4850900 | €33.95 | In stock | View & order |
| Atag economiser compl. cbr-ap icon1 S4962300 | 8139260 Mfr. no. S4962300 | €602.95 | In stock | View & order |
| Atag intake pipe i series | 8132186 Mfr. no. S4847800 | €86.95 | Made-to-order item | View & order |
| Atag upper tray assy icon1 | 8132224 Mfr. no. S4883300 | €115.95 | Made-to-order item | View & order |
| Atag stop cap transparent 10 (2 pcs) | 8137082 Mfr. no. S4378100 | €26.95 | In stock | View & order |
| Atag return pipe pump cbr-ap and elbow S4963300 | 8139264 Mfr. no. S4963300 | €121.95 | Made-to-order item | View & order |
| Atag connection lead 230v S494670 | 8139286 Mfr. no. S4946700 | €67.95 | Made-to-order item | View & order |
| Atag service case i-zone 2-3 NL | 8138177 Mfr. no. S5059600 | €1,977.95 | Made-to-order item | View & order |
| Atag siphon cup i series | 8132180 Mfr. no. S4846600 | €67.95 | Made-to-order item | View & order |
| Atag siphon pipe i series | 8132181 Mfr. no. S4846700 | €50.95 | Made-to-order item | View & order |
| Atag locking clip hydroblock | 8139238 Mfr. no. S4747200 | €69.95 | Made-to-order item | View & order |
| Atag locking clip pipes hydroblock | 8139590 Mfr. no. S4747100 | €70.95 | Made-to-order item | View & order |
Exploded views of the Atag i28ECZ-TY28E50H
Click an exploded view to enlarge it. The position numbers are shown next to each part.
Fault code on your Atag i28ECZ-TY28E50H? This is the part type involved
Common Atag fault codes and the part type that is usually the cause; the parts for this model are listed above. All codes explained: Atag fault codes.
| Code | What is going on | Part type |
|---|---|---|
| 40 | Temperature exceeded at the burner flow temperature sensor. | Burners |
| 78 | Water pressure sensor out of range or not connected or, if water pressure is OK: pump defective. | Pumps |
| 104 | No pump kick | Pumps |
| 129 | Fan fault (fan does not start) | Fans |
| 151 | Fan fault (speed control not reached or out of range) or defective control unit. | Fans |
| 501 | Ionisation fault | Ignition and ionisation |
For guidance only: the same code can have a different cause depending on the situation.
Other Atag boilers
- Atag A203C | from 2008 OSS1 97
- Atag A203EC | from 10-2016 OSS2 97
- Atag A244C | from 2008 up to 11-2009 OSS2 98
- Atag A244CL | from 11-2009 OSS1 95
- Atag A244EC | from 2008 OSS2 98
- Atag A285C | from 2017 OSS2 92
- Atag A285EC | from 2017 OSS2 90
- Atag Blauwe Engel CMA 350 29
- Atag Blauwe Engel CMA 352 12
- Atag Blauwe Engel CMA 650 29
- Atag Blauwe Engel CMA 652 12
- Atag Blauwe Engel CMA 950 29
Frequently asked questions
Which parts are available for the Atag i28ECZ-TY28E50H?
The catalogue lists 83 original parts for the Atag i28ECZ-TY28E50H, including fans, temperature sensors and NTC sensors, pressure sensors, flow sensors and flow switches. All parts are listed above, grouped by type, with part number and price.
How much does a fan for the Atag i28ECZ-TY28E50H cost?
The fans for this model cost €426.02 incl. VAT. Check the table "Fans" above for the right part number.
Are the parts for the Atag i28ECZ-TY28E50H in stock?
42 of the 83 parts are in stock; shipping to EU countries from €12.95 (€16.95 for more distant countries), usually 3–5 working days. Parts marked "Made-to-order item" are ordered specially for you; the delivery time is shown on the product page.
How do I know which part I need for the Atag i28ECZ-TY28E50H?
Search for the part by part number or use the exploded view of the Atag i28ECZ-TY28E50H.
Are these original Atag parts?
Yes. All 83 parts in this list are original manufacturer parts for the Atag i28ECZ-TY28E50H, supplied through the official technical wholesale channel and with the correct part number.
How much do parts for the Atag i28ECZ-TY28E50H cost?
Parts for the Atag i28ECZ-TY28E50H range from €18.95 to €2,586.16 incl. VAT. The exact price of each part is shown in the tables above.
Can I return a part?
As a consumer you have a 14-day right of withdrawal. You may unpack and inspect the part; do not install or connect it. For a part that has been installed, connected or damaged we deduct the diminished value, up to the full price for circuit boards.