Installing a New Full-Port Drain Valve
At 6:18 in
3 Water Heater Fixes Every Homeowner Should Know
What happens here
With the water heater still partially drained, the existing drain valve is fully removed. This involves using a Milwaukee utility knife to cut the retaining clip that holds the old valve in place, followed by using Knipex Cobra 12-inch pliers to unscrew the corroded valve. The kit provides a new full-port brass drain valve, which is a significant upgrade offering better flow and increased durability compared to the old plastic one. To prepare the new valve, 5-7 wraps of Teflon tape and a generous amount of Mega Lock pipe dope are applied to its threads. The new valve is then carefully screwed into the water heater's drain opening, hand-tightened first to avoid cross-threading, and then fully secured using the Knipex Cobra pliers. The handle is positioned for convenient future access.
Goal: Replace the old, leaky drain valve with a new, more durable full-port ball valve.
Tools and materials
- Pliers Knipex Cobra — Unscrewing the old drain valve and tightening the new one
- Utility Knife Milwaukee — Cutting the drain valve's retaining clip
- Pipe Dope Mega Lock — Sealing threaded connections
- Teflon Tape About Fluid kit — Sealing threaded connections
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