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Programmable Room Thermostat - Preference?
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<blockquote data-quote="brummydave" data-source="post: 304608" data-attributes="member: 18490"><p>In a word, yes. Quite a few.</p><p></p><p>The Horstmann AS1 is mains powered, and has a backup battery so information's not lost. Their AS2 is battery powered, so uses the 2 wire system, and the batteries last over 2 years. According to their website their new C-stat is also available in both versions and has TPI software - which is something I adore! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>The Honeywell CMT927 stats I've fitted are battery powered but they've lasted at least 2 years, and give plenty of warning when running low. And settings aren't lost during that change.</p><p></p><p>The Siemens RDE10.1 I've had in my house since 2006. It's had one set of replacement batteries in 2011! It's programmable but isn't as clever as the one's I prefer to fit. It also gives a change battery window so doesn't lose settings.</p><p></p><p>I think you must be unlucky! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="brummydave, post: 304608, member: 18490"] In a word, yes. Quite a few. The Horstmann AS1 is mains powered, and has a backup battery so information's not lost. Their AS2 is battery powered, so uses the 2 wire system, and the batteries last over 2 years. According to their website their new C-stat is also available in both versions and has TPI software - which is something I adore! :) The Honeywell CMT927 stats I've fitted are battery powered but they've lasted at least 2 years, and give plenty of warning when running low. And settings aren't lost during that change. The Siemens RDE10.1 I've had in my house since 2006. It's had one set of replacement batteries in 2011! It's programmable but isn't as clever as the one's I prefer to fit. It also gives a change battery window so doesn't lose settings. I think you must be unlucky! :) [/QUOTE]
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Programmable Room Thermostat - Preference?
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