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Thread Number: 89648
/ Tag: Vintage Dryers
Questions about 1968 LK dryer modulating gas burner |
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Post# 1142516 2/18/2022 at 13:29 (797 days old) by Marky_mark  (From Liverpool. Now living in Palm Springs and Dublin) |
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 Hi guys
I was wondering if anyone knows the BTU/h rating of these dryers when set to delicate versus normal? Also, does the target exhaust temperature remain the same on both settings or is it reduced for the delicate setting? Finally, it is possible to make any adjustments to the valve's target exhaust temp setting or is that not adjustable?
Thank you! Mark | ||
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| Post# 1142518 , Reply# 1 2/18/2022 at 14:02 (797 days old) by Maytag85 (Sean A806) | ||
From what I understand about these dryers, it starts out at the full 37,000 btu heat output and as things heat up, it gradually throttles the burner down to maintain a consistent temperature until the cool down. Since the burner never shut off on these dryers (unless the high limit thermostat kicked the burner off), they dried fairly quickly. I believe it starts out at the full 37,000 btu heat output on the low temperature then quickly throttles the burner down but don’t know since I’ve never used or owned one of those Kenmore gas dryers with the modulating burner. All I know is what I’ve read in the archives about these Kenmore soft heat gas dryers.
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Post# 1142524 , Reply# 2 2/18/2022 at 15:37 (797 days old) by wayupnorth (On a lake between Bangor and Bar Harbor, Maine) |
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Post# 1142527 , Reply# 3 2/18/2022 at 17:31 (797 days old) by combo52 (50 Year Repair Tech Beltsville,Md) |
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1968 through 69 lady Kenmore gas dryer
Hi Mark, this dryer used a unique modulating burner that was only used in this one model dryer. This was the only time that a new format Kenmore dryer had a 30,000 BTU burner.
Whirlpool dryers marketed under the whirlpool name had 30,000/20,000 BTU burner but they were not modulating. This dryer ran at either 20 or 30,000 BTUs but then it would modulate down when it was put on delicate it only fired at 20,000 BTUs. I’m not sure if the final temperature was different on delicate or not I have one of the same dryers and I’ve actually never used it . If you look at the wiring diagram you can see if putting it on delicate is more than just the input solenoid on the burner. When did you get this dryer I’m anxious to hear how you like it it should be a very nice dryer. John L | ||
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Post# 1142542 , Reply# 4 2/18/2022 at 21:03 (797 days old) by Marky_mark (From Liverpool. Now living in Palm Springs and Dublin) |
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Thank you for all the replies!
Hi John. I haven't bought this dryer (well, not yet anyway!). It's listed for sale here in Southern California, along with a couple of other interesting ones that I'm thinking about. Thanks for all the info. As for whether or not selecting delicate also reduces the temperature as well as reducing the heat input, perhaps I should buy it and do some testing! I also don't know if there is a possibility of adjusting the gas valve so that you can set a different exhaust temperature, based on the capillary tube input (while still achieving maximum heat input initially until it tapers down). Certainly a nice and interesting example of a vintage machine. | ||
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Post# 1142547 , Reply# 5 2/18/2022 at 22:24 (796 days old) by DADoES (TX, U.S. of A.) |
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Post# 1142548 , Reply# 6 2/18/2022 at 22:30 (796 days old) by combo52 (50 Year Repair Tech Beltsville,Md) |
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Post# 1142549 , Reply# 7 2/18/2022 at 22:49 (796 days old) by Marky_mark (From Liverpool. Now living in Palm Springs and Dublin) |
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Post# 1142560 , Reply# 8 2/19/2022 at 05:02 (796 days old) by combo52 (50 Year Repair Tech Beltsville,Md) |
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Hi Mark, yes a little heater on the capillary board would be an excellent way to give you a lower temperature for a delicate cycle on this type of dryer.
That was the one problem with modulating burner gas dryers like this was the temperature would run somewhere between 155 at 165° not hot enough to damage any normal clothing but some delicate things should not be dried quite that hot. When I added the modulating burner to my easy clean 100 I just let the modulation system control the temperature and I put 180° safety thermostat in case something goes wrong on the blower housing. I also added a little switch on the control panel if I flip the switch to normal the burner will just cycle on and off as the original one level burner did so I can have a nice low temperature, in fact it gives me four different drying temperatures ranging from about 150 to 125° works very nicely but 95% of the time I just let it run at the full temperature I don’t have a lot of delicates. John | ||
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