I've had a look at thermostatic valves and I've noticed some are advertised as having a 'lockshield' option.
eg: http://www.screwfix.com/p/danfoss-ras-d-chrome-straight-trv-lockshield-8-10-15mm/43668
I was wondering what this is, if I need it, and if it's worth the additional cost?
Thanks!
eg: http://www.screwfix.com/p/danfoss-ras-d-chrome-straight-trv-lockshield-8-10-15mm/43668
I was wondering what this is, if I need it, and if it's worth the additional cost?
Thanks!