Hi Will this work in place of the 7330D335 0231 MANY tHANKS (Coleman Mach 9420-391 RV Thermostat

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Feb 27, 2026 - 07:36 AM

The 9420-391 is a digital WiFi thermostat designed for systems with a compatible control board. Using it in place of 7330D335 would likely require significant rewiring and possibly upgrading the AC control module. If you are looking for a more direct replacement, we recommend 9420-351. Here is a link to it on our site: https://www.rvupgradestore.com/Wall-T...

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Hi Will this work in place of the 7330D335 0231 MANY tHANKS

Coleman Mach 9420-391 RV Thermostat | Black

The Coleman-Mach 9420-391 brings WiFi connectivity to your RV climate control. Control your A/C and heat from your phone with programmable Eco, Comfort,...

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Coleman-Mach 9420-391 Wi-Fi RV Thermostat | 12V Single-Zone

Read our full article "Coleman-Mach 9420-391 Wi-Fi RV Thermostat | 12V Single-Zone" which goes in depth on this topic.

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Hi Will this work in place of the 7330D335 0231 MANY tHANKS Coleman Mach 9420-391 RV Thermostat | Black rv thermostats

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