Triton Water Heaters

Plumbworld features a broad range of Triton Water Heaters and hand washers which are simple to install and maintain. These electric hot water heaters from Triton provide sufficient hot water for handwashing in running water.

Triton hot water heaters are ideal for an upstairs extension bathroom or utility room in your home. The compact size makes a Triton over-sink water heater perfect for fitting into places where space is at a minimum and a regular tap and sink setup simply isn’t viable. These Triton Water Heaters are simple to control with a single control temperature selection, so they are easy to maintain and affordable, too. The water is easily heated as it begins to flow, giving you lovely hot water.

We have three options available on Triton Water Heaters, 5.4kW, 7.7kW, and a 10.1 kW version. The Triton under-sink water heaters are an excellent choice if you want to have clear wall space and less clutter.

Shop Triton water heaters now online at Plumbworld and enjoy our lowest price guarantee with free next-day delivery available!

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Triton Instaflow 1.5kW Electric Water Heater - 5L Stored

5.0

8 ratings

£112.96 inc
VAT

Save £4.24 | Was £117.20

Triton InstaFlow 7.7kW Electric Water Heater

5.0

2 ratings

£147.76 inc
VAT

Save £27.24 | Was £175.00

Triton InstaFlow 10.1kW Electric Water Heater

4.8

4 ratings

£154.99 inc
VAT

Triton Instaflow 2kW Electric Water Heater - 15L Stored

5.0

9 ratings

£144.96 inc
VAT

Triton Instaflow 2kW Electric Water Heater - 10L Stored

5.0

9 ratings

£130.56 inc
VAT

Triton InstaFlow 5.4kW Electric Water Heater

5.0

1 rating

£127.20 inc
VAT

Save £12.42 | Was £139.62

triton-t30ir-3kw-infrared-over-sink-hand-wash-unit

Triton T30iR 3kW Over Sink Hand Wash Unit - Infrared

4.9

11 ratings

£81.77 inc
VAT

Triton T30i 3kW Over Sink Hand Wash Unit

4.8

115 ratings

£60.86 inc
VAT

Save £2.46 | Was £63.32

How do I choose between an instantaneous Triton heater and a stored (tank) model for my basin or utility sink?

Instantaneous models (5.4kW, 7.7kW and 10.1kW) heat water as it flows, so they are compact and give continuous hot water without a tank, ideal where you want clear wall space. Stored models come in small capacities, 5L (1.5kW), 10L (2kW) and 15L (2kW), and hold a reserve of hot water for short bursts of use, which can be handy if you have slightly higher or intermittent demand. If you want the smallest footprint and virtually unlimited short-term flow for a single basin, choose instantaneous; if you prefer a modest buffer of hot water under the sink or in a cupboard, a stored 10L or 15L unit may suit better.

Which kW or litre size will give me comfortable hot water for handwashing at a single basin?

For simple handwashing at one basin, an over-sink 3kW hand wash unit (T30i or T30iR infrared) or a 5.4kW instantaneous unit will deliver warm water quickly and reliably. If you prefer a stored option, a 5L (1.5kW) or 10L (2kW) under-sink heater will supply several washes before needing to reheat. Example: a 3kW over‑sink unit is ideal for a cloakroom basin in a busy household, while a 10L stored unit works well in a holiday home where you want a small tank tucked into a cupboard.

What are the practical benefits of an over-sink hand wash unit like the T30i versus an under-sink heater?

Over-sink hand wash units like the T30i provide immediate hot water at the tap and often include an infrared sensor option (T30iR) for touchless operation, which is hygienic and neat for busy or public areas. Under-sink heaters keep the basin area free of appliances and hide the tank or electronics away, leaving clear wall space and less visual clutter. If you want simplicity and hygiene at the basin, choose the T30iR; if you prefer a concealed installation and a small hot-water reserve, choose an under-sink stored unit.

Will a Triton water heater fit into a narrow cupboard or vanity unit?

Many Triton models are very compact, widths can be as narrow as about 136mm and depths as small as 80–81mm, with heights starting from roughly 244mm up to around 406mm depending on the model. That means you can usually fit an under-sink 5L or 10L stored unit into a tight cupboard, and even some instantaneous units are slim enough for shallow spaces. Check the exact model dimensions you're looking at, but these heaters are designed for tight spaces like utility rooms, cloakrooms and under-sink installations.

How easy are Triton heaters to operate and keep at the right temperature for daily use?

Triton heaters are intentionally simple to control, many feature a single temperature control so you can set the output quickly and keep it consistent. Instantaneous models heat water as it flows, so temperature remains steady once you set it, while stored units use a thermostat to maintain the tank temperature between uses. The over-sink infrared hand wash option also removes the need to touch controls, which keeps operation effortless and hygienic.

Filter By 8 results

Filter By 8 results

How do I choose between an instantaneous Triton heater and a stored (tank) model for my basin or utility sink?

Which kW or litre size will give me comfortable hot water for handwashing at a single basin?

What are the practical benefits of an over-sink hand wash unit like the T30i versus an under-sink heater?

Will a Triton water heater fit into a narrow cupboard or vanity unit?

How easy are Triton heaters to operate and keep at the right temperature for daily use?

Filter By
8 results

Filter By
8 results