Six year old Surburan 42K BTU. Replaced computer board once and blower motor 3 times. Noticed last night it seems the high limit switch is acting up. During a normal cycle, burner will ignite on and off several times. Once RV is up to pre-set temp, furnace will NOT come on until I switch thermostat off, then on....so when I got up this AM...it was really chilly. Thank goodness for some cheap electric heaters:))BTW: Had to braze a crack in heat exchanger last time the motor went south.You furnace gurus will probably suggest: buy/install a new one. When its 10 below zero, it runs 24/7...and 12-volt motors can NOT handle that kind of use...right??? THX and have a great Thanksgiving. Johnny...currently in Iowa.

Sorry for your problems...I often wonder why furnaces never seem to act up and break down in the summer time! :S:W:RI asked a wise old sage (yep..older and wiser than even me!) to read your past and add his two bits worth...he has owned a RV Repair Service here in SoCal for many, many years...He said that only a qualified repair guy like himself can check for possible issues that could be caused by low LP gas pressure which can be from a number of factors, including a malfunctioning regulator, clogged or restricted propane lines or low gas levels in the tank. This can ONLY be tested by a qualified service technician.And low voltage can be an issue, which again can only be checked by a certified service technician.Please note that RV Salvage yards carry furnaces removed from RV's that have been "totalled" from wrecked or damaged RV's that are in perfect, undamaged and fully functional shape..for about half of a brand new unit. Ericksons RV Salvage in Coeur d'Alene, Idaho (208) 664-8902 for example. The great part is that RV Salvage yards can do a local or national search for what you need from other Salvage Yards. Good luck and bundle up!

the above post is right on the money. many people think they can fix furnace problems because they are so simple, WRONG! they have complex issues and you just can't start in replacing parts to fix a problem that is more than just that. it could be your regulator by the tanks, which is a $48 part. get it checked out by a someone who knows what he's doing.

Thx to you two: Will have my propane guy check regulator at the tank (which was just filled).Just had one weird thought: Regulator at 500 gallon tank, line to RV into switch over valve, which I think may be another regulator...which should create some pressure problems IF I remember my propane knowledge. Will also call my local furnace expert and ask him IF my thinking is correct OR faulty???Thx again, guys. Happy TG. Johnny in chilly Iowa.

IOWASTROKER wrote:Johnny...currently in Iowa.There's your problem...check your GPS...your RV is too far north. :BSorry, couldn't resist--I was raised in Iowa, so I know how cold it gets...hope you get the furnace fixed quick.

Thx. I needed some humor in my life. I knew there had to be a simple solution: Winter in TX...OR...anywhere where I can ride my trike year round:)))

Suburan furnace? | Good Sam Community

12 Replies

old_guy
Explorer
Nov 17, 2013
the above post is right on the money. many people think they can fix furnace problems because they are so simple, WRONG! they have complex issues and you just can't start in replacing parts to fix a problem that is more than just that. it could be your regulator by the tanks, which is a $48 part. get it checked out by a someone who knows what he's doing.
SooperDaddy
Explorer
Nov 17, 2013
Sorry for your problems...I often wonder why furnaces never seem to act up and break down in the summer time!

:S:W:R

I asked a wise old sage (yep..older and wiser than even me!) to read your past and add his two bits worth...he has owned a RV Repair Service here in SoCal for many, many years...

He said that only a qualified repair guy like himself can check for possible issues that could be caused by low LP gas pressure which can be from a number of factors, including a malfunctioning regulator, clogged or restricted propane lines or low gas levels in the tank. This can ONLY be tested by a qualified service technician.

And low voltage can be an issue, which again can only be checked by a certified service technician.

Please note that RV Salvage yards carry furnaces removed from RV's that have been "totalled" from wrecked or damaged RV's that are in perfect, undamaged and fully functional shape..for about half of a brand new unit.

Ericksons RV Salvage in Coeur d'Alene, Idaho (208) 664-8902 for example. The great part is that RV Salvage yards can do a local or national search for what you need from other Salvage Yards. Good luck and bundle up!

Forum Discussion

Suburan furnace?

12 Replies

About Fifth Wheel Group

Related Content

Suburan furnace?

Furnace Troubleshooting

Furnace

Furnace Issue

Furnace black smoke