Recent content by rpludwig

Still stumped on this one, but will wait for my hvac guy to figure it out! In the interim, I can use the supplied residential stat by reversing the battery polarity and reinsert properly to reset the stat and override the LO temp cutoff. Eventually will get the JC A419 hooked up properly in...

have similar shop cu ft as your garage...mine is 20x60x12'ceiling (open trusses), no insulation, however 3/4 of the building sidewalls are underground, walls are 24" masonry (old root cellar), one 8' garage door, no other wdos or doors....hvac folks spec'd Beacon Morris 105btu unit, works well...

http://www.pexsupply.com/Johnson-Controls-A419GBF-1C-Single-Stage-Digital-Temperature-Control-24v-SPDT this might help...if you click on manuals/user guide, then go to fig 9 top of pg. 6, 24v wiring diagram... question remains, from the htr I have R, G, W1 power to the stat is supposed to go...

assume you refer to R & G on heater? (heater has R, G, W1, thermostat has t1, t2) On heater: R to G reads 24v. R to ground reads 24v G to ground reads 0

new here, and from a quick look at this forum, you folks may have a solution to my problem. Shop/cold weather application Beacon Morris BRT105 propane (110BTU) heater Installed w/Honeywell RTH2300B1012 thermostat by hvac contractor All works well till temps go below freezing Application is to...