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Old 04-06-2016, 01:28 PM   #11
Join Date: Oct 2015
Location: Full-Time
Posts: 104
Originally Posted by Kuba View Post
I know they require 24v for operation, my question is, do the furnaces we have in our trailers provide LV? Im currently using a digital Honeywell with batteries. 2012 Salem 26 rks here. Not sure of the model number of rhe furnace.
Installation and operating instruction for Suburban SF-42Q (also includes other models), provides wiring diagrams that show the thermostat, furnace module board, and all furnace loads receive their 12VDC power from the external 12V (battery or converter). There is no 12VDC power source within the furnace.

2015 XLR415AMP
2011 3500HD Duramax/Allison/90 Gal Aux
2015 HD Limited Low
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