Are you a subscriber but don’t have an online account?

Register for full online access.

 
 
 
 

Other stories by Dave Yates

  • Leaky Air-Conditioner Coil

    After replacing both a condensate pan and a pump, the plumber fixing my client's leaky air-conditioning coil finally determined that the problem was actually in the condensate drain. The drain's small trap was clogged with a mucuslike substance; unclogging it was a simple repair that took just a...

  • Installing a Vacuum-Tube Solar Collector

    These highly efficient systems are a good choice in cloudy or cold climates.

  • Q&A: Noisy Expansion Tank

    Q: Even though I followed the manufacturer's specifications when I installed the 2-gallon thermal expansion tank and check valve for my customers' domestic hot-water system, they still complain of "clicking" noises, mainly during the heating season. Does

  • Proper Water-Heater Temperature

    Q: I recently learned that building codes in my state now require that newly installed water heaters be set at 140°F. But up until now, with concerns about energy conservation and scalding safety, 120°F was the normal setting. Why the change?

  • Protecting Water Heaters With Expansion Tanks

    Q. We recently had to replace our relatively new gas-fired water heater when its internal flue tube collapsed, ruining the thermostat and causing hot combustion gases to spew out the front. The installer, who claimed that the water heater was ruined by thermal expansion, added a thermal-expansion...

  • Adding a Second Water Heater

    Adding a second water heater; laminate flooring