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Carbon monoxide safety: what Sussex households need to know
Know what to do if a CO alarm sounds, how to choose and test an alarm, and why regular servicing matters. Clear advice for Sussex households.

Terry Matthews
6 days ago4 min read


Pressure Relief Valve (PRV) in a Boiler: What It Does, Why It Leaks, and the Signs to Look For in Mid Sussex
What’s Inside a Boiler? - Part 2: Pressure Relief Valve If your boiler pressure keeps dropping, you keep topping it up, or you have water dripping outside from a copper pipe, the PRV is one of the key things to check properly. It is a safety device designed to protect your boiler and heating system from dangerous pressure levels, but once it has opened, it can sometimes fail to seal again. In this guide I’ll explain what the PRV does, why it activates, why it can start leaki

Terry Matthews
Feb 177 min read


Expansion Vessel in a Boiler: What It Does, Why It Fails, and the Warning Signs in Mid Sussex
What’s Inside a Boiler? Series - By Terry Matthews Part 1: Expansion Vessel If your boiler pressure keeps dropping, swings up when the heating is on, or you’ve noticed water dripping from the copper pipe outside, the expansion vessel is one of the first things to suspect. It is a really common cause of pressure issues in combi and system boilers, and if it is left, it can trigger the PRV and put strain on other components. This guide explains what the expansion vessel is, wha

Terry Matthews
Feb 96 min read


Why has my engineer turned the boiler off? A Sussex guide
Why an engineer may turn your boiler off, what to ask next and how a Burgess Hill gas-valve repair restored heating without a replacement boiler.

Terry Matthews
Jan 11, 20254 min read


Arranging a landlord gas safety check: access and appointments
Arrange a landlord gas safety check with less last-minute stress. Advice on due dates, tenant access and records for Sussex landlords and agents.

Terry Matthews
Mar 27, 20204 min read


Gas safety for carers: helping someone feel safer at home
Help a relative or someone you care for with gas safety, service visits, accessible CO alarms and emergency plans. Practical advice for Sussex families.

Terry Matthews
Sep 8, 20194 min read


Gas Safety Week 2026: keeping Sussex homes safe
Seven practical gas safety habits for Sussex homes, covering annual checks, CO alarms, choosing an engineer and knowing when to get urgent help.

Terry Matthews
Sep 8, 20195 min read


Landlord gas safety in Sussex: checks, records and CO alarms
A practical guide to landlord gas safety checks, CP12 records and CO alarms in England, with advice for landlords and tenants across Sussex.

Terry Matthews
Sep 8, 20194 min read
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