Reyds.Heat pumps · Boilers · Steam

Roodepoort · Priority

Calorifier Not Heating in Roodepoort

The calorifier receives steam or hot water but the stored water stays cold. This page covers how we diagnose and repair it on hot water systems in Roodepoort.

This fault is normally treated as priority work because the plant is still running but is damaging itself or wasting energy while it does.

Broad residential base with light industrial parks and a large number of ageing geysers and early heat pumps. Gauteng municipal water is moderately hard, so scale on elements and heat exchangers is the single most common cause of falling performance.

Area
Roodepoort, West Rand
Equipment
Hot water systems
Call
069 268 0988

What we find here

Likely causes

  • Failed steam control valve or actuator
  • Steam trap failed closed flooding the coil
  • Scaled or perforated coil
  • Blocked strainer ahead of the valve
  • Thermostat or sensor failure

How it is confirmed

Diagnostic sequence

  • Valve stroke and actuator test
  • Trap condition test
  • Coil hydraulic pressure test
  • Strainer inspection and temperature survey

FAQs

Frequently asked questions

What causes calorifier not heating?

The usual causes are failed steam control valve or actuator, steam trap failed closed flooding the coil, scaled or perforated coil, blocked strainer ahead of the valve. Which one it is can only be confirmed by measurement, not by symptom alone.

How do you diagnose it?

Valve stroke and actuator test; Trap condition test; Coil hydraulic pressure test; Strainer inspection and temperature survey. The readings are recorded so the repair decision is based on data.

Can I keep using the system in the meantime?

Usually yes, for a short period, but efficiency and component life are both being lost while the fault persists.

Do you attend this fault in Roodepoort?

Yes. West Rand visits carry a fuller van stock because parts runs back to Johannesburg cost time. Retrofit from element geysers to heat pumps is common here.

Calorifier Not Heating — Roodepoort

Retrofit from element geysers to heat pumps is common here.