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Connect Water Supply Lines — Connect New Water Supply Lines

Beginner

Part of project

How to Replace a Mobile Home Garden Tub Faucet · Step 8 of 10

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In this video

Connect the faucet's hot and cold supply lines to the corresponding shut-off valves. The hot line connects to the left valve, and the cold line to the right. Hand-tighten the connections first, then use an adjustable wrench to give them a final snug turn. Do not overtighten.

Goal: Connect the new faucet to the water supply

  • Be careful not to overtighten the connections, which could damage the fittings.

Used in this video

  • Adjustable Wrench (brand: Vise-Grip, Tool Type: Adjustable Wrench, Jaw Size/Opening: Medium, Material: Steel, Grip: Ergonomic)Tightening the supply line nuts
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FAQs

Beyond basic tools, are there any specialized tools I'll definitely need for replacing a mobile home garden tub faucet, especially for tight access?

Yes, a basin wrench (like the Husky or TEKTON models listed) is crucial for reaching nuts in confined spaces, and tongue and groove pliers (like Channellock) are excellent for stubborn connections. A good headlamp (e.g., Husky 400 Lumens LED) will also significantly improve visibility within the often-cramped access panels.

What's the most critical step to ensure safety and prevent major issues before starting this mobile home faucet replacement?

The absolute most critical step is to completely shut off the main water supply to your mobile home before you begin any work. This prevents flooding and allows you to work safely without water pressure. Always double-check by turning on a nearby faucet to ensure water has stopped flowing completely.

How difficult is this project for a beginner, and how much time should I set aside to complete it?

This project is rated as 'beginner' difficulty, making it very approachable for DIYers with basic tool knowledge. For a first-timer, expect it to take approximately 2-4 hours, including preparation, removal, installation, and thorough leak testing. Rushing can lead to mistakes, so allow ample time.

What are common mistakes people make during mobile home faucet replacement, especially with water connections, and how can I avoid them?

A common mistake is cross-threading water lines; always hand-tighten connections first to ensure proper alignment before using a wrench to tighten them. Another is forgetting to use plumber's putty (like Oatey 14 oz.) under the faucet base to create a watertight seal, which is essential to prevent leaks around the deck.