Hi-
What I am trying to do is turn my LP gas furnace on by a cell phone in our RV, before we get to camp site so RV is warm. I have found a GSM relay that will allow me to do that as long as I buy a prepaid SIM phone card for the GSM relay.
Here is the relay that I believe will work
GSM-RELAY Remote control switch (gsm controller)(relay control switch)
It has 7 sets of Normally open contacts, that close when it gets a phone call or text message. I would like some help on how to wire the GSM relay in with the 2 wire thermostat in the RV. once I get to the RV I want to use the thermostat to control the furnace, just use the relay device to warm it do set temp on thermostat before I get there. Will I need to add external relay or 3 position switch to make this work? If you could supply a wiring diagram that would be great!
What I am trying to do is turn my LP gas furnace on by a cell phone in our RV, before we get to camp site so RV is warm. I have found a GSM relay that will allow me to do that as long as I buy a prepaid SIM phone card for the GSM relay.
Here is the relay that I believe will work
GSM-RELAY Remote control switch (gsm controller)(relay control switch)
It has 7 sets of Normally open contacts, that close when it gets a phone call or text message. I would like some help on how to wire the GSM relay in with the 2 wire thermostat in the RV. once I get to the RV I want to use the thermostat to control the furnace, just use the relay device to warm it do set temp on thermostat before I get there. Will I need to add external relay or 3 position switch to make this work? If you could supply a wiring diagram that would be great!
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