Evaporator plate replacement where scale pitting, refrigerant leaks or physical damage stop a plate from releasing ice cleanly. In Dainfern this is luxury gated estates work on evaporator assembly systems, attended within about 70 minutes of dispatch.On Sub-Zero equipment specifically — built-in refrigeration columns, wine storage and integrated units — the faults we see most in Dainfern are evaporator fan failure in freezer section and control board and sensor faults.Every visit starts with a full diagnostic and a written quote before any part is fitted.Estate access requires resident pre-authorisation and vehicle inspection. Ice Machine Repairs bookings in Dainfern are logged against Block 13 so we can allow for power availability on site.
- Typical response window
- 70 minutes from Fourways & Northern Suburbs
- Distance from Sandton CBD
- 17.4 km
- Municipal water hardness
- hard (200 ppm)
- Load-shedding schedule
- Block 13
- Access & compliance
- Estate access requires resident pre-authorisation and vehicle inspection.
- Typical installed systems
- Large estate homes with ducted plant and pool heat pumps.
Refrigerant data
| Gas | Classification | Suction pressure | Discharge pressure | Typical use |
|---|---|---|---|---|
| R134a | HFC (A1) | 80-140 kPa at -5 degrees C evaporating | 900-1 200 kPa at 45 degrees C ambient | Wine cellars, display cabinets, medium-temperature commercial refrigeration and some heat pumps. |
| R404A | HFC blend (near-azeotropic) | 40-60 kPa (approx. 2-4 bar) | 1500-1900 kPa | Older commercial ice machines, cube makers, ice bins and blast chillers |
| R448A | HFO/HFC blend (low GWP) | 50-75 kPa | 1600-2000 kPa | Modern commercial ice machines, cube and flake units, coldroom retrofits |
Common questions
Can a built-in Sub-Zero be repaired without removing the joinery in Dainfern?
In most cases yes. The units are designed to be serviced from the front through the grille and toe panel; full de-racking is only needed for sealed system work.
Do you charge a callout fee?
A standard callout and diagnostic fee applies and is quoted upfront. It is credited against the repair when you accept the quote.
Is scale really a problem for ice machines here?
Yes, it is the single biggest cause of lost output on this water supply. Scale insulates the evaporator, so the machine runs longer for less ice and eventually pits the plate. Regular descaling is far cheaper than an evaporator replacement.
There is water on the floor under my ice machine, can you find the leak?
We trace it wet rather than guessing: inlet valve weep, split distribution tube, blocked machine drain or a backed-up bin drain all present the same way. The water side is pressure-tested before we recommission.
Request a callout or quote
Send it straight to our WhatsApp for the fastest response, or call 069 268 0988 / email info@reyds.co.za.