tp valve

Hi everyone, Thanks for all the knowledge on this forum! I love browsing and learning here. I am getting ready to replace my old gas water heater with a new heat pump water heater. The water heater is in the garage with no floor drain and with no access to an exterior wall. Therefore, I'm...

Hi All. I just have a unit installed. Do I really need to have a discharge pipe installed? The tank is filled with water and air has been purged. The TP relief valve is installed. If pressure gets too high I assume I would see leak from the valve. It’s at a small business and flooring is tile...