Question about Rinnai Toyostove Direct Vent Heater: Toyostove Laser 73 Shipping

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Lazer 73: blower making a lot of noice

My heater is about 12 years old. It has never been serviced. Lately it has been making a lot of noice, particularly when it first starts up. A load hoarse whirling noice. Once it is running, the noice pipes down to just a loud, steady vibration sort of racket.I know it needs to be rebuilt, so what should I order for a complete rebuild? Can the bearings be replace in the blower, or do I need to replace the entire motor. The circulation fan seems to be fine.

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  • g_m_urban1 Feb 27, 2009

    Sounds like Tom is smack dab on the money. Thank you. Mike U.

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G M,

Your stove does need to be overhauled. The vibrations are the blower exhaust wheel being out of balance due to carbon build up. If it has been vibrating for a long time you will need to replace the motor. The L73 motor bearings are hard to get off without either bending the shaft or breaking the rev sensor. The burner pot will be another part that may need changing. It may have a warped or cracked bottom. If this is so it needs to be replaced with a new one. The burner ring will have to be replaced as will the mat. Several gaskets will need to be on hand in case you break them. All toll the above will run around $400 or so. It's well worth it considering a new one is $1750 or so. The first thing you need; though, is a service manual. Get in touch with your local dealer and get one. It will make your repair much easier.

Tom Hawkins
hawkins111@gci.net

Posted on Feb 27, 2009

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1 Answer

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Monday - Friday 8am - 5pm ET, Saturday 8am - 1pm ET .

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Jan 18, 2011 | Rinnai Toyostove Direct Vent Heater:...

1 Answer

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If the dog Just chewed the wires you can splice them back together
But if you need a new one I can Mail you one.
Call me
Total Toyo
(907) 488-9179
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Nov 24, 2008 | Rinnai Toyostove Direct Vent Heater:...

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1 Answer

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Take a look at this...

http://www.rural-energy.com/publications/catalog/document/338

This site says there is a problem with the blower motor assembly.



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2 Answers

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There are 2 fuses on the mother board. You can go to the Toyotomi website download the Owners Manual and look at 49 and 50 in the parts list and picture.

Mar 05, 2008 | Rinnai Toyostove Direct Vent Heater:...

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