Plumbing
Blue Water Heater
A metal block with 300 hit points.
Harvest drops
Iron× 5-10
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
Salvage drops
Mechanical Parts× 1-2
Short Iron Pipe× 1-2
Extra parts when salvaged with a wrench, ratchet or impact driver.
When it collapses
Falling, it leaves
Scrap Metal Pile (75% of the time) where it lands.
Where to find (2 POIs)
Federal Appliance (tier 2), The Pawtato Residence (tier 1).
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.