replace or tighten the seals in the faucet.
Some faucets have hot water because they are connected to a water heater that can provide hot water on demand. Other faucets may not have hot water because they are connected to a different water source or do not have a water heater attached to them.
In most faucets, the hot water is on the left side.
water pressure
Through magic hot water elves. That's how hot water does come home.
There is a hot/cold cross connection at one or more of the faucets at you house. make sure all faucets are shut off both hot and cold. If it still occurs more than likely you have a Moen faucet somewhere (most likely).
Hot water tank needs bleed of air,
To shut off the hot water supply in your home, locate the hot water shut-off valve typically found near the water heater. Turn the valve clockwise to close it and stop the flow of hot water. Make sure to test the water faucets to ensure the hot water supply is successfully shut off.
A hot water circulation pump diagram illustrates how hot water is circulated through a building's plumbing system to provide quick access to hot water at faucets and fixtures.
If hot water is supplied from boiler, a clogged domestic coil is often problem. If water heater supplying hot water, a clogged hot water line somewhere in hot water main.
A lot of the new shower fixtures (especially the lever styles) have a "scald protection" feature built into the fixture. This will prevent the water from getting as hot a the sink faucets, by eliminating only hot water from coming out.
Obviously hooked up wrong, or the faucets are mismarked . Usually cold on the right, hot on the left.
NOPE, actually it will cause more pressuyre drop do to friction losses