Services · Cylinder replacements

Cylinder replacements

Unvented (G3) and vented hot-water cylinder replacements with neat pipework and safety controls set correctly.

We handle

  • Unvented (G3) and vented cylinders
  • Expansion vessels, safety valves & tundish
  • Correct discharge pipework to regs
  • Immersion heaters, stats and wiring centre liaison
  • Commissioning, benchmark and user handover

Safety & compliance

Unvented cylinders must be installed/maintained by a G3-certified engineer. We’re Unvented (G3) certified and WaterSafe approved.

What to expect

  • Pre-check: space, mains pressure/flow, electrics
  • Old unit drained/removed, tidy pipework install
  • Controls tested, cylinder commissioned
  • Disposal of old unit if requested

FAQ

How long does it take?

Typically a day for like-for-like; allow more for reroutes or upgrades.

Do you supply the cylinder?

Yes — we can quote supply and fit, or fit customer-supplied units (to spec).

Get a quote