Made by Gecko
Manufacturers Code: 0603-421001
This heater is 3.8kw which replaces the 4.0kw heater fitted to many spas.
If the heater is faulty it will come up with a RHNF related error code, to confirm it is the heater, remove the filter, reset the controller inside the heater and switch the hot tub on and off, if the same code exists replace the heater unit.
No spares are available for this hot tub heater, it is is a fully enclosed 1 piece unit.
(Please see other listings for the 2kw version of this heater).
If after reading this you do need more help with heaters or other hot tub parts please get straight in touch.
Manufacturers CodePart Number: 0603-421001
Make & Model: 0603-421001
Length (cm): 36.8
Width (cm): 11.4
Height (cm): 12.7
Material Type: Stainless Steel
Please note all Hot tub Parts sold are UK Spec, which means designed for 230 V at 50Hz
Need More Detail?
At Hot Tub DIY we want to make it as easy as possible for you to repair or build your hot tub, the following guides relate to this product.
For a full list of guides please go to our Articles page and choose a section : Hot Tub Help Articles
Hot Tub Heater Guides