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05-25-2017, 10:58 AM
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#21
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Senior Member
Join Date: May 2013
Location: ..., New Mexico
Trailer: 2013 Esc19/'14 Silvrado
Posts: 4,193
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"...I also think that the propane would only flow when the piezo is clicking, trying to light, or when the thermocouple detects heat from the flame. When lighting fails and the clicking stops for a minute, likely the propane would also be shut off."
Exactly my thinking. The propane ignition flare up also stopped fairly quickly, which indicates the gas flow also had stopped.
__________________
Myron
"A billion here, a billion there...add it all up and before you know it you're talking real money." Everett Dirkson
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05-25-2017, 12:22 PM
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#22
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Senior Member
Join Date: May 2013
Location: Middle, Tennessee
Trailer: 2017 Escape 19' #2
Posts: 1,441
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Quote:
Originally Posted by KirkB
I also think that the propane would only flow when the piezo is clicking, trying to light, or when the thermocouple detects heat from the flame. When lighting fails and the clicking stops for a minute, likely the propane would also be shut off.
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Correct
__________________
Tom
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06-02-2017, 06:25 PM
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#23
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Senior Member
Join Date: May 2013
Location: ..., New Mexico
Trailer: 2013 Esc19/'14 Silvrado
Posts: 4,193
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Many months ago there was in the news a major uproar concerning a particular drug dealer (AKA pharmaceuticals manufacturer) who arbitrarily, abruptly, decided to raise the street price of a crucial lifesaving drug 600 percent, just because he could. Taken to court, the guy smiled about it. It was a pure case of greed trumping (sic) fairness or common sense.
I was reminded of that case today when I went to pick up the part I ordered from Dometic for my RM8551 fridge. Sally in Tom’s RV office and I thought the price was high because it included the entire burner and tube assembly. Wrong.
The orfice, or nozzle, is a wee stamped out insert into the propane burner that is lighter in weight than the littlest filling in your back molar, and about as small. Without this nozzle thing inserted, an eleven hundred dollar fridge will not work on propane fuel.
Dometic shipped the part in an envelope more suitable for 8 first grade postage stamps, in a box big enough to hold one red brick. The nozzle/orfice/insert cost $32.39 and shipping was UPS, $9.37.
__________________
Myron
"A billion here, a billion there...add it all up and before you know it you're talking real money." Everett Dirkson
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06-02-2017, 06:47 PM
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#24
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Site Team
Join Date: Jun 2014
Location: Canyon Lake, Texas
Trailer: 2015 19 "Past Tents", 2021 F150 Lariat 2.7L EB
Posts: 10,222
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Sheesh. With Dometic, that doesn't surprise me.
The question is though Myron, does the fridge work now?
Sent from my SM-G930V using Tapatalk
__________________
"You can't buy happiness, but you can buy an RV. And that is pretty close."
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06-02-2017, 07:08 PM
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#25
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Senior Member
Join Date: Jan 2014
Location: North Van., British Columbia
Trailer: 2014 Escape 19, sold; 2019 Escape 21, Sept. 2019
Posts: 8,812
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I've had limited wi-fi so I hadn't seen your thread until now. Sorry that the problem happened again. Hope the new one works.
When we cleaned it at Quartsite I'm sure the problem was a small speck of black carbon. It it was then maybe there are more flakes of carbon in the line.
At any rate, hopefully the fridge will be trouble free for a long while. But if the issue crops up again try and remove the assembly carefully so that you can examine the orifice carefully and see if there is a fleck of carbon there.
On a lighter note, hoping to taste those Digby scallops tomorrow.
Ron
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06-02-2017, 07:26 PM
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#26
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Senior Member
Join Date: May 2013
Location: ..., New Mexico
Trailer: 2013 Esc19/'14 Silvrado
Posts: 4,193
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Salmon for supper tonite but gee, I'd rather be having scallops. Seafood aside the big thing is, must be wise and alert that when you're going to do the carbon blow-out be very very careful not to disregard this little part can fall out and then, it is gone. Who knew?
__________________
Myron
"A billion here, a billion there...add it all up and before you know it you're talking real money." Everett Dirkson
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06-02-2017, 11:45 PM
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#27
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Senior Member
Join Date: Feb 2016
Location: Area 51, New Mexico
Trailer: pondering.....
Posts: 728
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Quote:
Originally Posted by MyronL
Many months ago there was in the news a major uproar concerning a particular drug dealer (AKA pharmaceuticals manufacturer) who arbitrarily, abruptly, decided to raise the street price of a crucial lifesaving drug 600 percent, just because he could. Taken to court, the guy smiled about it. It was a pure case of greed trumping (sic) fairness or common sense.
I was reminded of that case today when I went to pick up the part I ordered from Dometic for my RM8551 fridge. Sally in Tom’s RV office and I thought the price was high because it included the entire burner and tube assembly. Wrong.
The orfice, or nozzle, is a wee stamped out insert into the propane burner that is lighter in weight than the littlest filling in your back molar, and about as small. Without this nozzle thing inserted, an eleven hundred dollar fridge will not work on propane fuel.
Dometic shipped the part in an envelope more suitable for 8 first grade postage stamps, in a box big enough to hold one red brick. The nozzle/orfice/insert cost $32.39 and shipping was UPS, $9.37.
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wow..can you determine if that orifice part is stamped metal or precision machined?
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06-03-2017, 07:32 AM
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#28
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Senior Member
Join Date: Jun 2010
Location: Central, Pennsylvania
Trailer: Escape#5 2022 E19
Posts: 26,268
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Quote:
Originally Posted by MyronL
Salmon for supper tonite but gee, I'd rather be having scallops. Seafood aside the big thing is, must be wise and alert that when you're going to do the carbon blow-out be very very careful not to disregard this little part can fall out and then, it is gone. Who knew?
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Myron,
Someday read "Zen and the Art of Motorcycle Maintenance" where the phrase gumption trap is explained.
__________________
Jim
Sometime life gets in the way of living.......
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06-03-2017, 09:15 AM
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#29
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Senior Member
Join Date: May 2013
Location: ..., New Mexico
Trailer: 2013 Esc19/'14 Silvrado
Posts: 4,193
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Just call me Forrest Gump. Despite current events in the world, and including feeling victimized by a company I would much prefer to feel confidence in, I am not ready to fall into the gumption trap. Jim I read that book many-many-many years ago but had forgotten this reference. Will be re-assembling the burner this afternoon, with confidence this little project will resolve itself.
__________________
Myron
"A billion here, a billion there...add it all up and before you know it you're talking real money." Everett Dirkson
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06-04-2017, 10:22 AM
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#30
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Senior Member
Join Date: May 2013
Location: ..., New Mexico
Trailer: 2013 Esc19/'14 Silvrado
Posts: 4,193
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At 6 PM yesterday orifice now installed, burner re-assembled. Fridge is at 75°f when I turn it onto propane, 5 dots.
We have ignition. Two hours later fridge temp is 64°. This morning fridge temp down to 34°f. Victory!
__________________
Myron
"A billion here, a billion there...add it all up and before you know it you're talking real money." Everett Dirkson
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06-04-2017, 10:30 AM
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#31
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Senior Member
Join Date: Oct 2008
Location: St. Thomas not BVI., Ontario
Trailer: 2014 Escape 5.0TA / 2016 Ram Eco Diesel 4X4
Posts: 8,038
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Hi: MyronL... Just proves the smallest part is by no means the least important part. Alf
escape artist N.S. of Lake Erie
__________________
Quote Bugs Bunny..."Don't take life too seriously, none of us get out of it ALIVE"!!!
'16 Ram Eco D. 4X4 Laramie Longhorn CC & '14 Escape 5.0TA
St.Thomas (Not the Virgin Islands) Ontario
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06-04-2017, 12:44 PM
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#32
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Senior Member
Join Date: Feb 2013
Location: Surrey, British Columbia
Trailer: 2014 Escape 19'
Posts: 264
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__________________
Kirk & Shelley
2014 19'
Surrey, Beautiful BC, Canada
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06-04-2017, 12:47 PM
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#33
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Site Team
Join Date: Jun 2014
Location: Canyon Lake, Texas
Trailer: 2015 19 "Past Tents", 2021 F150 Lariat 2.7L EB
Posts: 10,222
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Quote:
Originally Posted by MyronL
We have ignition. Two hours later fridge temp is 64°. This morning fridge temp down to 34°f. Victory!
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Well that's good to hear, considering the arm and leg they charged you for the part.
__________________
"You can't buy happiness, but you can buy an RV. And that is pretty close."
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