Upm etw350
Copy following link to identify timer and download manual:
http://waterheatertimer.org/UPM-timers-and-manuals.html#ETWETW can be used to replace 3-way switch.3-way switching has 2 switches. Timer can replace one switch or the other switch, but not both.The remaining 3-way switch must be rewired as shown in manual. What the remaining 3-way switch does is reverse timer programming, so programmed ON times become OFF times, and OFF times become ON times. Add a comment as needed. If you need further help, I’m available over the phone at
https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
I cannot program my thermostat
Pull thermostat from wall, change batteries located on back of device.Model number will probably appear on back.Goole-search model number .pdfAdd .pdf to search parameter to help locate instruction manual.Or add re-post question on fixya and include model number for possible assistance locating product manual. If you need further help, I’m available over the phone at
https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
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