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31
Technical Support / Re: No A/C Thermostats
« Last post by Gene Obie on January 08, 2026, 12:27:54 AM »
I haven't tried the EasyTouch but do know finding a used 5button Dometic is very difficult. Chatgpt came back with below. Not sure if anyone has tried these as a 5button replacement?

-Gene

From online search result:
To upgrade your specific system while keeping your existing Dometic 630516.321 AC units, you need:
   • Model: EasyTouch RV 357 (ASY-357-X01)
   • Compatibility: This model is the dedicated "drop-in" replacement for the Dometic 3109228.001 5-button thermostat. It uses the same RJ-11 (phone jack) connector and communicates with your existing AC control boards without needing any conversion kits.
Key Features of the ASY-357 Upgrade
   • No Rewiring: It uses the same cable and 3-wire setup already in your Beaver Marquis.
   • Remote Control: Adds WiFi and Bluetooth capability, allowing you to monitor and change the temperature from your phone via the EasyTouch RV app.
   • Multi-Zone Support: It will correctly handle the multi-zone configuration often found in high-end coaches like the Marquis.
   • Smart Detection: It automatically detects your furnace, heat strips, or heat pump sources.

Important Note for Installation
When you install the new unit, you will typically need to perform a system reset (similar to the original Dometic "Mode + Zone" reset) to ensure it recognizes all the AC units on your network. The Micro-Air unit usually does this automatically upon first power-up.
32
Technical Support / Re: No A/C Thermostats
« Last post by Bobby Kirk on January 08, 2026, 12:14:46 AM »
Hi Fred  Thanks for advise  This ac was replaced in 2011..i have had the coach since new. I have owned a 2000, 2003 Marquis and this is the best one by far. As iam fixing ro turn 91
and will be disposing it within the next year i am going to see if i can find a t-stat just in case.  Again Thanks

BK
33
Technical Support / Re: strange ticking sound under the bed in our 2008 Beaver Patriot Thunder
« Last post by Carl Boger on January 07, 2026, 11:24:00 PM »
Ante,

Can you post a picture of the relay?  It likely is a type 87, but if not I am sure it can be identified with a picture.  If the relay is failing and constantly switching power it may be  a source of your power drain. Changing out relays is fairly simple and almost any auto parts will carry them, but do yourself a favor and buy a good name brand and not a cheapy!   


  Hopefully this will help some.
34
Technical Support / Re: Tires valve cores
« Last post by Frank Bergamo on January 07, 2026, 10:34:11 PM »
Before I check air pressure, I apply a shot of air into tire to clear any beads that may interfere with the sealing of the valve core. This has worked well for me. Hope this helps!
35
Technical Support / Re: strange ticking sound under the bed in our 2008 Beaver Patriot Thunder
« Last post by Scott Shearer on January 07, 2026, 09:57:05 PM »
Ante,

Do you know if your Patriot Thunder has an electric or hydraulic bed slide? Some models, including newer ones, use the electric system for the bedroom slide.

If it is electric, it will have relays mounted under the bed. Look at page 109 in the 2008-2009 Patriot Thunder wiring diagram on Coach Assist. These are common type 87 relays (probably Bosch).

-Scott
36
Technical Support / Re: Tires valve cores
« Last post by David T. Richelderfer on January 07, 2026, 08:11:03 PM »
If your coach's tires use balancing beads, as mine does, then the valve cores need to be "scorpion tail" cores so that the beads, or bead pieces, do not climb up the valve stem to foul the core.
37
Technical Support / Re: strange ticking sound under the bed in our 2008 Beaver Patriot Thunder
« Last post by Ante Peros on January 07, 2026, 04:25:23 PM »
I forgot to put in more details. It is a 4 slide Brandywine IV model. We were able to pull out a piece of the bed support and at least find the ticking noise. It seems to be a relay of some sort - with all sorts of wires and connections. We will disassemble the bed a bit more and try to get to the wires and figure out what to do next...Do we call an electrician? Maybe it will be as simple as pulling the wires in and out and cleaning the connections. I've looked up the wiring schematics but it is all Greek to me... Thanks for all the responses - it really helps to talk through these things! I'm hoping it is part of the mysterious battery drain we have been experiencing! Ante
38
Technical Support / Re: No A/C Thermostats
« Last post by Fred Brooks on January 07, 2026, 03:11:08 PM »
   Model 630516 is the original air conditioner. However if someone decided to replace the 5 button t-stat with a 10 button t-stat, they also had to change the original pc board in 630516 with a new pc board that was compatible with the new t-stat. Years ago there was a company out there that was rebuilding the 5-button t-stats. I am not sure if they are available. Personally, because these air conditioners are obsolete and there is no way to repair them, I would upgrade them with the newest models and 10-button t-stats. These are great Coaches and the engineering is far superior to the junk coming out of Indiana these days. Fred
39
Technical Support / Re: Tires valve cores
« Last post by Roy Boles on January 07, 2026, 06:54:50 AM »
    The valve cores seem to be the same as car or pickup wheels.  I’m constantly having trouble with valve cores on my coach. I order a valve core kit from Amazon that came with 20 or so cores and removal tools.
40
Technical Support / Re: No A/C Thermostats
« Last post by Bobby Kirk on January 06, 2026, 11:54:54 PM »
Fred any idea where to get 5 button stat 
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