Plumbing
Green 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 (8 POIs)
ParKing Garage #2 (tier 4), Atlas Metal Company (tier 3), Fortified Farm (tier 3), Happy Sleep Motel (tier 3), The Gladue Residence (tier 2), The Pawtato Residence (tier 1), Ash & Splash Lodge, The Tackle Box.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.