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New water heater leaves homeowner with bubbly taps and 'waxy' skin, and plumbers blame flux

The issue seemed bigger than a single blocked fixture.

A water heater.

Photo Credit: Reddit

Upgrading to a heat pump water heater can lower a home's energy bills, but one homeowner's experience with a more conventional replacement shows how quickly a water-heater swap can turn frustrating.

Here's what to know

The original poster said the trouble began after a new 40-gallon gas heater was installed, according to a Reddit post. Compared with the old setup, hot-water pressure was lower, the kitchen faucet started producing "tiny bubbles," and their skin feels "unusually dry and tight, almost like there's a waxy film left behind."

Photo Credit: Reddit

Because the same sensation appeared with both hot and cold water and at "every faucet in the house," the homeowner suggested the issue seemed bigger than a single blocked fixture.

One commenter tied the drop in pressure to debris that may have been stirred up during the job, writing, "Installing a new water heater can disturb sediment in the pipes. Remove and clean the aerators on your faucets. If that doesn't help. replace them."

Another commenter focused instead on the skin complaint, suggesting leftover installation material could be involved: "Wax feeling might be they didn't use water soluble flux, and they used a lot of it." 

What can be done?

The plumber had already told the homeowner to flush the faucets, and the original poster said that process was underway. From there, the clearest next step mentioned in the comments was to remove and clean the aerators, since several people linked the reduced pressure and bubbles to sediment stirred up during the installation.

If cleaning the aerators doesn't restore flow, replacement aerators may be needed. Another commenter also asked about a water softener and suggested trying a manual regeneration to see whether that changes the feel of the water.

For homeowners who are still weighing replacement options, Cala offers customizable smart heat pump water heaters. Cala's customizable smart heat pump water heaters can help homeowners lower energy bills by heating water only when needed. That kind of scheduling and control can appeal to households trying to avoid waste while keeping enough hot water on hand for daily use. Homeowners comparing new systems can also look into Cala as an alternative to a standard gas tank.

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Where can I learn more?

If a water-heater replacement leaves you chasing strange symptoms or second-guessing the work, these stories cover similar headaches. 

• A failing anode made a tank reek as it corroded, and Redditors blamed softeners.

• A homeowner weighing tankless options got perplexing appliance advice from plumbers and reconsidered everything.

• Suspicious of one plumber, a homeowner sought unbiased opinions on an upgrade before replacing the heater.

Get TCD's free newsletters for easy tips, smart advice, and a chance to earn $5,000 toward home upgrades. To see more stories like this one, change your Google preferences here.

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