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by MickySparker
Sat Apr 09, 2022 12:12 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Replacement TRV/heads for 10mm piping
Replies: 1
Views: 1527

Replacement TRV/heads for 10mm piping

We've a utility room radiator with 10mm pipework; fitted about 6 years ago it has a BOSS TRV which has failed (the sensor plunger just flops around - as if the wax sensor has leaked) and the radiator is always "on". I don't consider 6 years a reasonable life so I'm reluctant to buy another...
by MickySparker
Wed Jun 13, 2018 5:46 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Replacment Digiital Stat/Control for Existing Honeywell CM921
Replies: 1
Views: 4950

Replacment Digiital Stat/Control for Existing Honeywell CM921

Hi all, Our Worcester Greenstar combi gas boiler has a wireless Honeywell CM921 'stat/controller which works well - apart from the display now being barely legible (a common issue with them I believe). This started losing segments after less than 3 years and it's now been in for about 8 years. Looki...
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