plumbing - Do hot water tanks have to be in the drain pan - Home Improvement Stack Exchange

I bought a new hot water tank and had it installed by a plumber. It didn't fit in the existing drain pan, so he put it on top of the pan. Is this safe?

plumbing - Is this temperature and pressure release piping up to code? - Home Improvement Stack Exchange

plumbing - Raising waterheater on bricks to gain clearance under - Home Improvement Stack Exchange

P trap won't drain from water softener - Home Improvement Stack Exchange

plumbing - Need drain for water heater pressure relief and HVAC condensation - Home Improvement Stack Exchange

PLUMBING GLOSSARY — Kevin Szabo Jr Plumbing - Plumbing Services│Local Plumber│Tinley Park, IL

pipe - How do I check if the plastic tube that comes out of the water pump of my furnace/AC does not leak? - Home Improvement Stack Exchange

Does this water heater look improperly installed? Shouldn't the drain pan be completely encapsulating the water heater? Also, is it normal to have a home warranty contractor replace your home water heater

Hot water tank water supply connected through drain pipe : r/Plumbing

Is my space a good candidate for a hybrid electric heat pump water heater? - Home Improvement Stack Exchange