While I don't have a residential fridge ... there is typically one under the sink and another in the cabinet to the right or left of the fridge behind the wall. I've seen videos of some coaches where you have to remove the wall and others that have an access panel. Hopefully some one with this model will give some better advice.
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2020 Montana 3790 RD Legacy
2017 Ford F350 4x4 SRW SC SB Viair On Board Air
Pullrite Superglide 2914 20K
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