What to check first
Compare hot and cold flow at more than one faucet, confirm tank/city source, and inspect an accessible aerator or filter per the manual.
When to get help
A diagnostic can separate supply, regulator, filter and pump issues; shop a verified filter or regulator only after matching specifications.
Your RV’s make, model and component instructions control. Stop use and seek qualified help for propane odor, smoke, active electrical danger, unsafe braking or other immediate hazards. This guide does not diagnose your RV or establish part compatibility.
Next step
Check the exact component manual and model number before following a model-specific procedure.