Eberspacher Hydronic S3 D5E/D4E Water Heater Parts

Ensure reliable hot water on demand with genuine Eberspacher Hydronic S3 D5E/D4E water heater parts from Butler Technik! As a certified distributor, we provide authentic components for seamless repairs and maintenance. Experience consistent warmth and comfort in your campervan, motorhome, RV, or boat with our quality-assured solutions. Enjoy same-day dispatch, next-day delivery across the UK, and swift international shipping options.

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68 Products
Eberspacher Hydronic D5WSC Heater to Hydronic S3 D5E 12V Upgrade Kit inc EasyStart PRO Timer
Eberspacher Hydronic D5WSC Heater to Hydronic S3 D5E 12V Upgrade Kit inc EasyStart PRO Timer
Part Number 252993050007
Now £995.00 (ex. VAT) Was £1,448.91 (ex. VAT)  Saving £453.91
 Item in stock
Upgrade Kit
Eberspacher Hydronic D5WSC Heater to Hydronic S3 D5L 24V Upgrade Kit inc EasyStart PRO Timer
Eberspacher Hydronic D5WSC Heater to Hydronic S3 D5L 24V Upgrade Kit inc EasyStart PRO Timer
Part Number 253009050007
Now £1,322.00 (ex. VAT) Was £2,177.91 (ex. VAT)  Saving £855.91
 Item out of stock
Eberspacher Hydronic S3 D5E CL Welfare Diesel Water Heater Unit Upgrade 12v | 252971050000 | 252990050000
Eberspacher Hydronic S3 D5E CL Welfare Diesel Water Heater Unit Upgrade 12v | 252971050000 | 252990050000
Part Number 252990050000
Now £945.96 (ex. VAT) Was £1,620.07 (ex. VAT)  Saving £674.11
 Item out of stock
Eberspacher Hydronic S3 D5E Water Heater Unit and Pump CS 5kw 12v | 252993050000
Eberspacher Hydronic S3 D5E Water Heater Unit and Pump CS 5kw 12v | 252993050000
Part Number 252993050000
Now £675.00 (ex. VAT) Was £1,684.88 (ex. VAT)  Saving £1,009.88
 Item in stock
Eberspacher UK Dealer Account Trade Pricing at Butler Technik Apply Now
Eberspacher Hydronic S3 D5L CS Water Heater and Fuel Pump 24v | 253009050000
Eberspacher Hydronic S3 D5L CS Water Heater and Fuel Pump 24v | 253009050000
Part Number 253009050000
Now £1,158.21 (ex. VAT) Was £1,681.63 (ex. VAT)  Saving £523.42
 Item in stock
Eberspacher Hydronic S3 D5E CS ECU Control Unit 12v | 252934995000
Eberspacher Hydronic S3 D5E CS ECU Control Unit 12v | 252934995000
Part Number 252934995000
Now £374.98 (ex. VAT) Was £515.21 (ex. VAT)  Saving £140.23
 Item in stock
Eberspacher Hydronic S3 D5E D4E CL Water Coolant Pump 12V | 252652500000
Eberspacher Hydronic S3 D5E D4E CL Water Coolant Pump 12V | 252652500000
Part Number 252652250000
Now £166.63 (ex. VAT) Was £247.14 (ex. VAT)  Saving £80.51
 Item in stock
Eberspacher Easy Touch Digital Heater Matrix Controller
Eberspacher Easy Touch Digital Heater Matrix Controller
Part Number 292100161029
Now £148.67 (ex. VAT) Was £203.66 (ex. VAT)  Saving £54.99
 Item in stock
Eberspacher Espar Water Heater Hydronic S3 B5E Petrol Gasoline Kit inc Easy Start PRO 5kW 12v
Eberspacher Espar Water Heater Hydronic S3 B5E Petrol Gasoline Kit inc Easy Start PRO 5kW 12v
Part Number 202051053522
Now £1,028.93 (ex. VAT) Was £1,870.78 (ex. VAT)  Saving £841.85
 Item in stock
New In
Eberspacher Espar Water Heater Hydronic S3 D5E Diesel Vehicle Kit inc Easy Start PRO 5kW 12v
Eberspacher Espar Water Heater Hydronic S3 D5E Diesel Vehicle Kit inc Easy Start PRO 5kW 12v
Part Number 252993053522
Now £963.29 (ex. VAT) Was £1,850.54 (ex. VAT)  Saving £887.25
 Item in stock
Eberspacher fuel pump integrated filter | 201312000006
Eberspacher fuel pump integrated filter | 201312000006
Part Number 201312000006
Now £3.42 (ex. VAT) Was £4.89 (ex. VAT)  Saving £1.47
 Item in stock
Eberspacher Hydronic S3 HS3 D5E D4E Combi Flame Overheat Sensor | 252652990102
Eberspacher Hydronic S3 HS3 D5E D4E Combi Flame Overheat Sensor | 252652990102
Part Number 252652990102
Now £102.67 (ex. VAT) Was £136.89 (ex. VAT)  Saving £34.22
 Item in stock
Eberspacher Hydronic S3 D5E D4E Diesel Heater Burner Tube with Gasket | 252652991100
Eberspacher Hydronic S3 D5E D4E Diesel Heater Burner Tube with Gasket | 252652991100
Part Number 252652991100
Now £139.95 (ex. VAT) Was £229.54 (ex. VAT)  Saving £89.59
 Item out of stock
Eberspacher Hydronic S3 HS3 D5E D4E Glow Pin 12V | 252652990109
Eberspacher Hydronic S3 HS3 D5E D4E Glow Pin 12V | 252652990109
Part Number 252652990109
Now £107.57 (ex. VAT) Was £143.42 (ex. VAT)  Saving £35.85
 Item in stock
Eberspacher Espar Hydronic D5E D4E Heat Exchanger | 252651010100
Eberspacher Espar Hydronic D5E D4E Heat Exchanger | 252651010100
Part Number 252651010100
Now £65.43 (ex. VAT) Was £87.24 (ex. VAT)  Saving £21.81
 Item out of stock
Eberspacher Hydronic S3 D5E CL ECU Control Unit 12V | 252652995000
Eberspacher Hydronic S3 D5E CL ECU Control Unit 12V | 252652995000
Part Number 252652995000
Now £213.03 (ex. VAT) Was £284.04 (ex. VAT)  Saving £71.01
 Item in stock
Eberspacher Fuel Metering pump 12v P53 HS3 D6L | 224550050000
Eberspacher Fuel Metering pump 12v P53 HS3 D6L | 224550050000
Part Number 224550050000
Now £219.99 (ex. VAT) Was £291.29 (ex. VAT)  Saving £71.30
 Item in stock
Eberspacher Hydronic S3 D5E D4E Combustion Air Blower Motor 12V | 252652160000
Eberspacher Hydronic S3 D5E D4E Combustion Air Blower Motor 12V | 252652160000
Part Number 252652160000
Now £134.99 (ex. VAT) Was £179.98 (ex. VAT)  Saving £44.99
 Item in stock
Webasto Eberspacher Hydronic S3 HS3 D5E D4E Blower Motor Top Cover | 252652010003
Webasto Eberspacher Hydronic S3 HS3 D5E D4E Blower Motor Top Cover | 252652010003
Part Number 252652010003
Now £11.13 (ex. VAT) Was £14.84 (ex. VAT)  Saving £3.71
 Item in stock
Butler Technik Eberspacher Espar Easy Start Pro controller timer extension harness 4m
Butler Technik Eberspacher Espar Easy Start Pro controller timer extension harness 4m
Part Number 221000352200EXT
Now £46.30 (ex. VAT) Was £66.24 (ex. VAT)  Saving £19.94
 Item in stock
Eberspacher EasyStart PRO for Airtronic S2 S3 M2 & Hydronic S3 12v 24v Heaters | 221000352200
Eberspacher EasyStart PRO for Airtronic S2 S3 M2 & Hydronic S3 12v 24v Heaters | 221000352200
Part Number 221000352200
Now £83.29 (ex. VAT) Was £147.93 (ex. VAT)  Saving £64.64
 Item in stock
Eberspacher Espar Hydronic S3 D5E D4E Motor Cover | 252652010004
Eberspacher Espar Hydronic S3 D5E D4E Motor Cover | 252652010004
Part Number 252652010004
£11.66 (ex. VAT)
 Item out of stock
Eberspacher Espar Coolant Hose Hydronic S3 D5E D4E - 20mm ID 2x 180deg 2m | 221000100106
Eberspacher Espar Coolant Hose Hydronic S3 D5E D4E - 20mm ID 2x 180deg 2m | 221000100106
Part Number 221000100106
Now £68.68 (ex. VAT) Was £91.57 (ex. VAT)  Saving £22.89
 Item in stock
Eberspacher Hydronic S3 D5E D4E CS S+ Wiring Harness Complete | 252933801100
Eberspacher Hydronic S3 D5E D4E CS S+ Wiring Harness Complete | 252933801100
Part Number 252933801100
Now £261.61 (ex. VAT) Was £348.81 (ex. VAT)  Saving £87.20
 Item in stock
Eberspacher Hydronic S3 D5E D4E CL LIN Wiring Harness Complete | 252652801100
Eberspacher Hydronic S3 D5E D4E CL LIN Wiring Harness Complete | 252652801100
Part Number 252652801100
Now £221.75 (ex. VAT) Was £295.67 (ex. VAT)  Saving £73.92
 Item in stock
Eberspacher Hydronic S3 HS3 D5E D4E Burner Gasket Seal | 252652990105
Eberspacher Hydronic S3 HS3 D5E D4E Burner Gasket Seal | 252652990105
Part Number 252652990105
Now £11.15 (ex. VAT) Was £14.86 (ex. VAT)  Saving £3.71
 Item in stock
Eberspacher Hydronic S3 D5 E D4 E 24mm Exhaust Silencer Muffler | 221000402100
Eberspacher Hydronic S3 D5 E D4 E 24mm Exhaust Silencer Muffler | 221000402100
Part Number 221000402100
Now £33.59 (ex. VAT) Was £44.79 (ex. VAT)  Saving £11.20
 Item out of stock
Eberspacher Hydronic S3 D5E D4E Water Heater Coolant Connector 20mm Straight | 252652990501
Eberspacher Hydronic S3 D5E D4E Water Heater Coolant Connector 20mm Straight | 252652990501
Part Number 252652990501
Now £9.26 (ex. VAT) Was £12.35 (ex. VAT)  Saving £3.09
 Item in stock
Eberspacher Espar Hydronic S3 D5E D4E Water Pump Mounting Bracket | 221000513900
Eberspacher Espar Hydronic S3 D5E D4E Water Pump Mounting Bracket | 221000513900
Part Number 221000513900
Now £3.11 (ex. VAT) Was £4.14 (ex. VAT)  Saving £1.03
 Item out of stock
Eberspacher Espar Hydronic S3 D5E D4E Heater Mount Bracket | 221000514200
Eberspacher Espar Hydronic S3 D5E D4E Heater Mount Bracket | 221000514200
Part Number 221000514200
Now £6.32 (ex. VAT) Was £8.43 (ex. VAT)  Saving £2.11
 Item out of stock
Eberspacher Airtronic S2 M2 Hydronic S3 Heater Fuel Tank Sender Kit Mercedes Sprinter 2006 - 2018 | 292180010418
Eberspacher Airtronic S2 M2 Hydronic S3 Heater Fuel Tank Sender Kit Mercedes Sprinter 2006 - 2018 | 292180010418
Part Number 292180010418
Now £23.05 (ex. VAT) Was £30.73 (ex. VAT)  Saving £7.68
 Item out of stock
Webasto Fuel Cut Off Switch Kit
Webasto Fuel Cut Off Switch Kit
Part Number 4112369A
Now £67.54 (ex. VAT) Was £90.41 (ex. VAT)  Saving £22.87
 Item in stock
Eberspacher or Webasto heater 24mm exhaust Silencer Kit
Eberspacher or Webasto heater 24mm exhaust Silencer Kit
Part Number 24MMSILENCERKIT
Now £51.31 (ex. VAT) Was £102.61 (ex. VAT)  Saving £51.30
 Item in stock
Eberspacher Hydronic S3 D5E D4E Sensor Top Cover | 252652990112
Eberspacher Hydronic S3 D5E D4E Sensor Top Cover | 252652990112
Part Number 252652990112
Now £9.40 (ex. VAT) Was £12.53 (ex. VAT)  Saving £3.13
 Item in stock
Eberspacher Espar Hydronic S3 D5E D4E 90 Degree Coolant Spigot 252652998001
Eberspacher Espar Hydronic S3 D5E D4E 90 Degree Coolant Spigot 252652998001
Part Number 252652998001
£11.74 (ex. VAT)
 Item out of stock
Eberspacher Espar Hydronic S3 D5E D4E Combustion Air Intake Silencer | 221000400013
Eberspacher Espar Hydronic S3 D5E D4E Combustion Air Intake Silencer | 221000400013
Part Number 221000400013
Now £47.68 (ex. VAT) Was £63.57 (ex. VAT)  Saving £15.89
 Item in stock
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Showing 36 of 68

The Eberspacher (Espar) Hydronic S3 D5E and D4E diesel water heater parts department is your essential resource for maintaining this advanced heating system. As a certified distributor, we guarantee that all parts are genuine, ensuring the utmost reliability and optimal performance for your water heater.

You'll find crucial sensors like the Combi Flame Overheat Sensor, essential burner parts such as burner tubes with gaskets, and vital electrical components like 12V glow pins and ECU control units and wiring harnesses. We also stock fuel system parts like integrated fuel pump filters, air and exhaust components including blower motors and silencers, and critical coolant system parts like heat exchangers and hoses. Many items are in stock for same-day dispatch, with fast UK and international delivery options.

With extensive filtering by voltage, heating type, and vehicle compatibility, finding the exact part for your campervan, motorhome, RV, or boat is effortless. Trust Butler Technik for authentic Hydronic S3 D5E/D4E parts and enjoy consistent hot water wherever your adventures take you.