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I am in the Escapees Co-Op in Benson AZ and need the annual service completed on my Aqua Hot 450 D. I went on Aqua Hots web site and there is only one mobil tech listed and he is located inTucson which is 45 miles away. He wants $150 for the drive to Benson plus $250/300 for the service. I normally pay about $200 total. Does anyone know of a Aqua Hot tech near Benson? TIA

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Is your aquahot working ok?  If you are running your diesel burner once a month on a regular basis the annual service can go  longer than annually. Servicing an aquahot is not difficult and consists of removing the Webasto burner, changing the nozzle, cleaning the photo disc, setting the electrodes, brushing out the combustion chamber, rotating the watts mixing valve, checking coolant level in tank, and changing the fuel filter.  A bit of a dirty job but easily done and the only parts needed are a new nozzle and fuel filter and a 10mm long socket with a 10-12" extension.  You should be able to find YouTube videos on this. Pay attention when attaching the Webasto burner since the 2 nuts are only put on snug! 

http://rvhydronicheaterrepair.com  is a good source for parts and info.

 If you can change the oil in your car you can do this.

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Contact aqua soft directly for a listing of authorized mobile service technicians. 

Aqua-Hot Technical service department
Phone: 800-685-4298
Email: servicedept@aquahot.com
Hours: 7:00 a.m. to 4:00 p.m. Mountain time

Our experienced technicians are available to answer any technical questions you may have, help you with parts questions and ordering and help you locate an Aqua-Hot Factory Authorized Service Center.

Edited by palmeris
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  • 2 months later...
On 10/25/2020 at 8:24 AM, folivier said:

Like jcussen said (hi Jim) buy a nozzle and filter, you should have these for spares, and look around the campground for another coach that might have an aquahot and ask who they use.  If they service theirs themselves you could offer to pay them to do yours.

Sorry, it’s been awhile and I haven’t gotten back. I did ask around and got a referral from a friend in my park. Got the service done, $250 ($200 parts and $50 labor) and all is well. The service tech is not local but comes here for a week every year on his way to Quartzite. 

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