Reyds.Heat pumps · Boilers · Steam

Constantia Kloof · Priority

Steam Boiler Pressure Problems in Constantia Kloof

Pressure swings, safety valve lifting, or pressure that cannot be held under load. This page covers how we diagnose and repair it on steam systems in Constantia Kloof.

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

Constantia Kloof sits within the Randburg belt, with larger stands, long hot water runs and frequent pool heating. Static pressure and dead-leg length are checked as part of any hot water complaint here. Sites with long, poorly insulated pipework lose more heat in distribution than most owners expect, which reads as a capacity problem at the outlet.

Area
Constantia Kloof, Johannesburg
Equipment
Steam systems
Call
069 268 0988

What we find here

Likely causes

  • Pressure switch out of calibration
  • Modulating burner not staging correctly
  • Carryover from high TDS water
  • Undersized steam header for demand
  • Failed PRV downstream

How it is confirmed

Diagnostic sequence

  • Pressure switch calibration check
  • Burner modulation observation
  • Water TDS and alkalinity testing
  • PRV station inspection

FAQs

Frequently asked questions

What causes steam boiler pressure problems?

The usual causes are pressure switch out of calibration, modulating burner not staging correctly, carryover from high tds water, undersized steam header for demand. Which one it is can only be confirmed by measurement, not by symptom alone.

How do you diagnose it?

Pressure switch calibration check; Burner modulation observation; Water TDS and alkalinity testing; PRV station inspection. 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 Constantia Kloof?

Yes. Technicians work out of the central Johannesburg base, which keeps travel time short for northern-suburb call-outs. Constantia Kloof visits carry heat pump and geyser spares together, since both are commonly installed on the same property.

Steam Boiler Pressure Problems — Constantia Kloof

Constantia Kloof visits carry heat pump and geyser spares together, since both are commonly installed on the same property.