Apprentice Training, mechanical & systems

Tankless Water Heater Isolation Valve Rough-In

3/4 in copper service kit, pressure relief valve, concentric poly vent

Time: 3 h
People: One
Level

Before you start

Clear 2.5 × 2 m of floor and lay out the parts.
16 parts and 31 fasteners in 5 steps.
You'll want a screwdrivers and a claw hammer and a spanners and a tape measure and a drill and a marker and a spirit level.
Do not install shutoff valves between the pressure relief valve and heater core.
Ensure combustion intake/exhaust pipes maintain manufacturer-mandated pitch back to unit drain.

Apprentice Training & Risk NoticeEducational training demonstration only. Risk: Real-world structural lumber sizing, spans, and fastener schedules carry legal liability and must comply with local building codes (IRC/IBC/OSHA) and certified engineering.

Apprentice Training, mechanical & systems

Tankless Water Heater Isolation Valve Rough-In

3/4 in copper service kit, pressure relief valve, concentric poly vent

Time: 3 h
People: One
Level

Before you start

Clear 2.5 × 2 m of floor and lay out the parts.
16 parts and 31 fasteners in 5 steps.
You'll want a screwdrivers and a claw hammer and a spanners and a tape measure and a drill and a marker and a spirit level.
Do not install shutoff valves between the pressure relief valve and heater core.
Ensure combustion intake/exhaust pipes maintain manufacturer-mandated pitch back to unit drain.