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HYCO IN44 Rho Instantaneous Inline Water Heater 4.4kW

Available in a thermostatic or non thermostatic model this instantaneous water heater is suitable for hand washing at a single basin.

Supplies hot water to a single outlet.
Bare wire heating system gives fast heat up time.
Heats the water instantly as it flows through the unit.
Energy efficient – no standing heat losses.
4.4 or 6.0 kW power rating.
Compact space saving design.
Intended for use with spray head taps with removable M22/M24 nozzles.
Compatible taps available separately.

In stock

£102.49 (£122.99 Inc. VAT)

In stock

SKU: IN44 Category:

Product Information

Outer Casing
Easy clean high impact ABS

Heating Element
Bare-wire heating system (3 nickel chrome heating elements)

Taps and Tap Spray Nozzles
Intended for use with spray head taps with removable M22/M24 nozzles. Compatible taps available.

Important – the supplied tap spray nozzle must be fitted in the tap for best performance. 4.4 kW: 2.0 l/m, 6.0 kW: 2.5 l/m, other flow rates available on request.

Overheat temperature protection 80°C.
Thermostatic model – water temperature controlled to maintain user selected temperature between 30°C and 48°C as water pressure conditions vary.

IP Rating

This appliance must be installed in a frost free environment.
The heater should be located as close as practical to the hot water outlet to avoid unnecessary heat losses through the pipework.

Must be installed by a suitably qualified person.

Minimum flow rate 2.0 l/m. 
Minimum water pressure 1 bar. 
Maximum rated pressure 7.5 bar. 
Water resistivity ≥ 1300 Ωcm.

Water Connection
Inlet/Outlet 2 x 1/2″ BSP male (40mm apart centre to centre).
Fittings required (not supplied): 2 x 15mm compression to 1/2″ BSP female adapter.

Suitable for use with pre-heated water e.g. solar heating systems subject to maximum inlet water temperature 60°C.

Electrical Connection
Installation must comply with current IEE regulations.
Single phase. Fuse rating guide 19 amps for 4.4 kW and 27 amps for 6.0 kW. 
The product should be connected to the fixed wiring of the property via a suitably rated isolating switch with contact separation of at least 3mm in all poles.
Cable pre-wired (0.7m).


Standard Warranty
1 year parts or replacement warranty.

Additional information



140mm x 190mm x 80mm


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