Frequently Asked Questions
Q. "How do the Drinking Water Faucets for hot water work with brand name instant hot water systems?"
A. You simply use the Contemporary or Designer faucet dispenser designed for hot water instead of the faucet included with the instant hot water system. These hot water dispenser faucets have two polyethylene water tubes, one yellow, and one blue, along side the threaded inlet shank of the dispenser faucet. The blue tube is the cold water supply inlet tube. This blue inlet tube is usually preceded by a filter, if a filter is being used. If a filter is not used the blue tube is attached directly to the cold water supply valve.
The yellow tube is the outlet tube from the faucet dispenser that gets attached to the inlet of the hot water tank. The threaded shank has a barb adapter for attaching the clear vinyl tubing from the hot water tank outlet. So, here is how it works. When you turn the handle of the faucet, cold water transfers from the incoming blue tube to the outgoing yellow tube, forcing water into the hot water tank inlet. This incoming cold water forces water to flow out of the hot water tank through the clear tubing back into the dispenser faucet and out through the spout. In this way the tank is not constantly under pressure. Water simply flows through the hot water tank letting cold water in and pushing hot water out. When the dispenser faucet is turned off, the pressure is contained to the blue inlet supply tube. This is why you may have a second or two delay from the time you turn on the faucet until water actually flows out from the spout.
Example: All tubing attached to hot water tank and faucet dispenser. White suppply tubing into the filter. Blue tubing on the outlet of the filter is the inlet tubing for the faucet dispenser. Yellow tubing is connected from the faucet dispenser to the hot water tank inlet. Clear (frosted) tubing is attached to the hot water tank outlet connected to the faucet dispenser to flow out of the spout.
Q. "What are the new lead-free plumbing laws?"
A. The new lead-free laws require plumbing products that come into contact with drinking water to be essentially lead-free (0.25% weighted average). These laws have been passed in California and Vermont. In order for companies to ship these plumbing products to locations in California and Vermont, they must be ANSI certified lead-free.
Q. "How does lead get into drinking water?"
A. Primarily, trace amounts of lead get into drinking water due to aging infrastructures, such as old pipes and plumbing system parts. The Plumbing Manufacturer's Institute (PMI) states that over the past decade, lead levels in plumbing fixture fittings have been reduced to insignificant levels due to improvements in modern manufacturing processes.