Instantaneous Water Heaters – Hot Water When You Need It
Instantaneous water heaters bring hot water on demand—no storage tank needed, allowing heat only when it’s required. These units shine in environments like small flats, en-suites, washrooms, or home offices...
Instantaneous water heaters bring hot water on demand—no storage tank needed, allowing heat only when it’s required. These units shine in environments like small flats, en-suites, washrooms, or home offices where quick access to hot water matters but space is tight.
Engineered for responsiveness, these heaters activate instantly when a tap or shower is turned on and cease heating when flow stops. This design means you don’t pay for keeping water hot all day. The result? Less waiting, reduced heat loss, and smarter energy usage overall.
Compact construction lets you position these units close to the point of use. That means reduced pipe runs, less energy lost to transmission, and more flexibility during installation. Many models integrate temperature control and safety mechanisms—like built-in overload protection—so users enjoy both practicality and peace of mind.
Particularly suited to retrofit projects or modern compact builds, these units simplify installation while still delivering a powerful hot water supply where needed. Whether you're upgrading a wet room, adding a secondary bathroom, or just avoiding the bulk of traditional boilers, our Instantaneous Water Heaters deliver immediate convenience and efficient performance.
Original price
£304.29
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Original price
£304.29
Original price
£253.58
Exc VAT
£304.29
Inc VAT
£304.29
-
£304.29
Current price
£304.29
Inc VAT
£253.58
-
£253.58
Exc VAT
Current price
£304.29
Exc VAT
Stiebel Eltron 236462 DEM 4 Set Mini Instantaneous Water Heater
Availability:
Dispatch in 1-2 Days
SPECIAL ORDER ITEM: 1-2 Days Lead Time, please contact us to find out more Stiebel Eltron 236462 DEM 4 Set Mini Instantaneous Water Heater Featu...
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Original price
£304.29
-
Original price
£304.29
Original price
£253.58
Exc VAT
£304.29
Inc VAT
£304.29
-
£304.29
Current price
£304.29
Inc VAT
£253.58
-
£253.58
Exc VAT
Current price
£304.29
Exc VAT
Original price
£253.38
-
Original price
£253.38
Original price
£211.15
Exc VAT
£253.38
Inc VAT
£253.38
-
£253.38
Current price
£253.38
Inc VAT
£211.15
-
£211.15
Exc VAT
Current price
£253.38
Exc VAT
Stiebel Eltron 236450 DHM 3 Set Mini Instantaneous Water Heater
Availability:
SOLD OUT
SPECIAL ORDER ITEM: 1-2 Days Lead Time, please contact us to find out more Stiebel Eltron 236450 DHM 3 Set Mini Instantaneous Water Heater Featu...
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Original price
£253.38
-
Original price
£253.38
Original price
£211.15
Exc VAT
£253.38
Inc VAT
£253.38
-
£253.38
Current price
£253.38
Inc VAT
£211.15
-
£211.15
Exc VAT
Current price
£253.38
Exc VAT
Sold out
Original price
£797.10
-
Original price
£797.10
Original price
£664.25
Exc VAT
£797.10
Inc VAT
£797.10
-
£797.10
Current price
£797.10
Inc VAT
£664.25
-
£664.25
Exc VAT
Current price
£797.10
Exc VAT
Stiebel Eltron 203850 DEM 6 Set Mini Instantaneous Water Heater + 1x WSH 20 Sensor Taps
Availability:
SOLD OUT
SPECIAL ORDER ITEM: 1-2 Days Lead Time, please contact us to find out more Stiebel Eltron 203850 DEM 6 Set Mini Instantaneous Water Heater + 1x W...
View full details
Original price
£797.10
-
Original price
£797.10
Original price
£664.25
Exc VAT
£797.10
Inc VAT
£797.10
-
£797.10
Current price
£797.10
Inc VAT
£664.25
-
£664.25
Exc VAT
Current price
£797.10
Exc VAT
Sold out
Original price
£797.10
-
Original price
£797.10
Original price
£664.25
Exc VAT
£797.10
Inc VAT
£797.10
-
£797.10
Current price
£797.10
Inc VAT
£664.25
-
£664.25
Exc VAT
Current price
£797.10
Exc VAT
Stiebel Eltron 203851 DEM 4 Set Mini Instantaneous Water Heater + 1x WSH 20 Sensor Taps
Availability:
SOLD OUT
SPECIAL ORDER ITEM: 1-2 Days Lead Time, please contact us to find out more Stiebel Eltron 203851 DEM 4 Set Mini Instantaneous Water Heater + 1x W...
View full details
Original price
£797.10
-
Original price
£797.10
Original price
£664.25
Exc VAT
£797.10
Inc VAT
£797.10
-
£797.10
Current price
£797.10
Inc VAT
£664.25
-
£664.25
Exc VAT
Current price
£797.10
Exc VAT
Sold out
Original price
£797.10
-
Original price
£797.10
Original price
£664.25
Exc VAT
£797.10
Inc VAT
£797.10
-
£797.10
Current price
£797.10
Inc VAT
£664.25
-
£664.25
Exc VAT
Current price
£797.10
Exc VAT
Stiebel Eltron 203852 DEM 3 Set Mini Instantaneous Water Heater + 1x WSH 20 Sensor Taps
Availability:
SOLD OUT
SPECIAL ORDER ITEM: 1-2 Days Lead Time, please contact us to find out more Stiebel Eltron 203852 DEM 3 Set Mini Instantaneous Water Heater + 1x W...
View full details
Original price
£797.10
-
Original price
£797.10
Original price
£664.25
Exc VAT
£797.10
Inc VAT
£797.10
-
£797.10
Current price
£797.10
Inc VAT
£664.25
-
£664.25
Exc VAT
Current price
£797.10
Exc VAT
Sold out
Original price
£304.29
-
Original price
£304.29
Original price
£253.58
Exc VAT
£304.29
Inc VAT
£304.29
-
£304.29
Current price
£304.29
Inc VAT
£253.58
-
£253.58
Exc VAT
Current price
£304.29
Exc VAT
Stiebel Eltron 236463 DEM 6 Set Mini Instantaneous Water Heater
Availability:
Dispatch in 1-2 Days
SPECIAL ORDER ITEM: 1-2 Days Lead Time, please contact us to find out more Stiebel Eltron 236463 DEM 6 Set Mini Instantaneous Water Heater Featu...
View full details
Original price
£304.29
-
Original price
£304.29
Original price
£253.58
Exc VAT
£304.29
Inc VAT
£304.29
-
£304.29
Current price
£304.29
Inc VAT
£253.58
-
£253.58
Exc VAT
Current price
£304.29
Exc VAT
Original price
£304.29
-
Original price
£304.29
Original price
£253.58
Exc VAT
£304.29
Inc VAT
£304.29
-
£304.29
Current price
£304.29
Inc VAT
£253.58
-
£253.58
Exc VAT
Current price
£304.29
Exc VAT
Stiebel Eltron 236584 DEM 3 Set Mini Instantaneous Water Heater
Availability:
Dispatch in 1-2 Days
SPECIAL ORDER ITEM: 1-2 Days Lead Time, please contact us to find out more Stiebel Eltron 236584 DEM 3 Set Mini Instantaneous Water Heater Featu...
View full details
Original price
£304.29
-
Original price
£304.29
Original price
£253.58
Exc VAT
£304.29
Inc VAT
£304.29
-
£304.29
Current price
£304.29
Inc VAT
£253.58
-
£253.58
Exc VAT
Current price
£304.29
Exc VAT
Original price
£253.38
-
Original price
£253.38
Original price
£211.15
Exc VAT
£253.38
Inc VAT
£253.38
-
£253.38
Current price
£253.38
Inc VAT
£211.15
-
£211.15
Exc VAT
Current price
£253.38
Exc VAT
Stiebel 236452 Eltron DHM 6 Set Mini Instantaneous Water Heater
Availability:
SOLD OUT
SPECIAL ORDER ITEM: 1-2 Days Lead Time, please contact us to find out more Stiebel 236452 Eltron DHM 6 Set Mini Instantaneous Water Heater Featu...
View full details
Original price
£253.38
-
Original price
£253.38
Original price
£211.15
Exc VAT
£253.38
Inc VAT
£253.38
-
£253.38
Current price
£253.38
Inc VAT
£211.15
-
£211.15
Exc VAT
Current price
£253.38
Exc VAT
Sold out
Original price
£253.38
-
Original price
£253.38
Original price
£211.15
Exc VAT
£253.38
Inc VAT
£253.38
-
£253.38
Current price
£253.38
Inc VAT
£211.15
-
£211.15
Exc VAT
Current price
£253.38
Exc VAT
Stiebel Eltron 236451 DHM 4 Set Mini Instantaneous Water Heater
Availability:
SOLD OUT
SPECIAL ORDER ITEM: 1-2 Days Lead Time, please contact us to find out more Stiebel Eltron 236451 DHM 4 Set Mini Instantaneous Water Heater Featu...
View full details
Original price
£253.38
-
Original price
£253.38
Original price
£211.15
Exc VAT
£253.38
Inc VAT
£253.38
-
£253.38
Current price
£253.38
Inc VAT
£211.15
-
£211.15
Exc VAT
Current price
£253.38
Exc VAT
Sold out