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Perfect 35 Instant Water Heater

£113.40 £94.50
In stock
Only %1 left
Delivery Time:
Next Working Day
2 Years
Quick Code:
Order Line:
01977 663331
  • Smallest instant water heater on the UK market
  • Current intensity 15.2 [A]
  • New electronic control prolongs the working life
  • Designed for wash basins and small sinks

Perfect 35 Instant Water Heater

3 flexi hoses supplied with options of standard or push-fit

The Perfect 35 instant water heater is for use under sinks rated @ 3.5kW. The P35 is the smallest instant water heater on the UK market, therefore ideal for limited space installations.

This instant water heater is an award winning heater manufactured in Europe to the highest standards. 'Non vented' means they do not require any special taps, or expansion kits, ideal for use with standard pressure taps with spray nozzle. If spray nozzles are not fitted this kit is supplied with the spray adaptor that fits any standard tap.

The Perfect 35 is CE approved, uses simple electronics to control the flow and temperature making them extremely safe, reliable and very energy efficient, the power is only used when the tap is in use.

The P35 will achieve temperatures of 48C at a maximum flow rate of 1.5ltrs / min (calculated on water inlet temperatures of 15C minimum). Ideal flow rate setting of 2ltrs / min to achieve 40C (calculated on water inlet temperatures of 15C minimum)

 Instant Water Heater 

  • Supplied with 3 x flexible hoses for a quick and easy installation
  • Standard hose and flexi hose length: Smallest 180mm & 2 x longest 300mm
  • Flexi hose option: Standard BSP fittings or 15 mm push fit flexi hoses
  • Maximum flow rate of 2ltr/min
  • Max flow rate temperatures 32C - 48C, (calculated on a water inlet temperature of 15C)
  • Recommend using with standard taps with a spray head tap fitting
  • Supplied with line filter and spray nozzle to be used with standard tap fittings
  • Easily hidden under sinks and cupboards
  • Minimum Voltage UK 230V
  • Current intensity 15.2 [A]
  • New electronic control prolongs the working life
  • Designed for wash basins or small sink
  • Maximum working pressures up to 6.5 bar
  • Minimum working pressure 0.6 bar
  • Connects directly into cold water mains supply
  • Quality, reliability guaranteed

More instant water heaters 

SKU  P35 
Type Instant Water Heater 
Power (kW) 3.5
Current Intensity (A) 15.2
Minimum Cable Size (mm) 1.5
Minimum Water Pressure (Bar) 0.6 (8.7 PSI)
Maximum Water Pressure (Bar) 6.5  (94 PSI)
48C Flow Rates (l/min) * 1.5
40C Flow Rates (l/min) * 2.0
35C Flow Rates (l/min) * 2.5
Height / Width / Projection (mm) 185 / 130 / 75 
Water Proof Rating (IP) 24
EAN: 5908259553351

 * Please note: Flow rates are calculated using minimum water inlet temperature of 15C



File-1540566709 (1.28 MB)

Do i need an expansion vessel for this instant water heater?

No instant water heaters do not require an expansion vessel!

What are the thread sizes?

Male 3/8". Flexi hoses are supplied for an easy installation!

Can this water heater be fitted with a 13A plug?

No this water heater requires a minimum of "15.2A" power supply with a minimum of 230 Volts (Fused Spur Point required) The cable size should be minimum 2.5mm2, pvc twin + earth, and protect the circuit with overcurrent protection device (OCPD)

Can this water heater be used with standard taps and mixer taps?

Yes it can be used with "standard taps" and "mixer taps" as long as the taps have spray nozzles fitted. The accessories we supply include the spray nozzle and will fit all standard size taps. Please check your tap nozzle type before you purchase this water heater. Please note without a nozzle fitted on your tap the water flow rate will be no more than a trickle!

What temperature and flow rates can i expect from this water heater?

This water heater will achieve water temperatures of 32-48C maximum flow rate of 1.5 - 2ltr/min. (calculated on a water inlet temperature of 15C)

Do you need any special fittings with this water heater?

We supply the flexi hose fittings, you will have the option for push-fit or standard 1/2" BSP fittings. This instant water heater is "unvented" meaning it can be connected directly to cold water mains therefore no other special accessories are required.

I have high fluctuating water pressures will this effect the performance of the water heater?

This water heater is ideal for controlling fluctuating water pressure from 2 - 6 Bar

I would like to supply the water heater from a tank in my loft space will this still work?

This water heater needs a minimum "water pressure" of 1 Bar this is equivalent to 14 PSI. Always make sure the water supply is sufficient enough or the performance of this water heater may be effected. For gravity fed water supplies the tank must be at-least 5m higher than the water heater itself!

Can this water heater be used to feed more than one sink?

This water heater is to be used for one outlet only a sink or hand wash basin. Always install the water heater as close to the outlet as possible. Long pipe runs will effect the performance of the heater!

Can this unit be fitted upside down above the sink?

No this water heater only works with the water outlet facing upwards, this is because the flow switches would prevent the water heater from working.

I have hard water supply will this water heater cope?

Suitable for hard water areas, this water heater is fitted with in-line filter that should be cleaned regular if you are in a hard water area.

What power and voltage does this water heater require?

This water heater needs a minimum power of 15.2A / 230V, if powered any less than this then the performance of the water heater "will be" effected.

What is the warranty of this water heater?

The warranty is 2 years, if it fails within this period from date of purchase we will replace with new once we have received the water heater if it is found to be faulty a replacement will be delivered next working day

Can i return if the water heater is unsuitable?

Yes as long as the water heater is unused and in the original box. Return to: Unit 2, North Point Business Park, Off Selby Road, Eggborough, North Yorkshire, DN14 0JT, with a reference to your order number. Email or call 0800 083 0373 to advise us that you are returning. Once we have the water heater back, it will be checked and if unused a full refund will be given excluding any delivery costs we have incurred

What are the sizes of the water heater?

The sizes are in our technical page: Height 185 mm, Width 130 mm, Depth 75 mm

What size RCD Breaker is required?

The unit requires a 16amp Breaker



Our Delivery Charges and times are explained:


Delivery Charges
All deliveries have a standard charge of £7.99 + VAT up to 20kg. Where stated, certain products are delivered FREE of charge (mainland UK only*). Check the description of the desired product and if it says free delivery then you will not be charged for delivery*

Extra Charges
Where the weight is over 20kg we reserve the right to charge more dependent on product type and delivery postcode, our customer service team will be in touch and inform you of any extra charges before we despatch.

Delivery Times
All products will have a delivery time stated in their description. Next Working Day - these products will be delivered Next Working Day if ordered before 12.00, or in certain circumstances up until 4:00 pm. Please call if you require a Next Working Day and we will try our best to get it to you. Certain products will state within 48hrs, within 3 Days or within 5 days. These products will be delivered within the time stated. If you require delivery on a certain day please put this in the comments and we will aim to deliver on that day.

Certain products such as radiators are delivered after 5 working days, when purchasing a radiator please put in the desired delivery date which is 5 working days after ordering. In some cases, stock permitting, we can get radiators out sooner. Please call or put in the customer comments if you need something urgently and we will try our best.

Saturday Deliveries
We can arrange for a Saturday delivery for certain products, please call 01977 663331 for more details.

Please note: Although we will do our utmost to deliver your product in the time stated we cannot be held responsible for any unforeseen delays. Please do not book a plumber, electrician, etc until you have received the goods as we will not be held responsible for their time. Please read our terms and conditions for further details.

additional charges may be applicable dependent on your location please double-check with our customer service team

Our Returns Policy - Please click here!

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