Rheem RS80-42BP Frame Assembly, Lower Pipe Leg Installation, Pipe Leg Connection Detail

Installing the water heater.

Frame Installation continued....

NOTICE: Allow room for “U” bracket pipe leg cradle on frame. Roofs with steep pitches (above 20°) may require short pipe legs at collector end of frame for clearance.

•Drill each runner in center and 6" from runner ends and screw to rafters or trusses with 5/16" x 6" lag screws and washers,

•Flash and seal all roof penetrations.

3.Move all pieces of Frame to roof and assemble (refer to Figure below).

4.Attach Frame to runners:

For shallow-pitch or flat roofs, screw frame directly to runners.

For side pitch or reverse pitch roofs;

•Loosely screw collector end of frame to runners with 5/16" x 1 3/4" lag screws and washers,

•Level frame and measure the required length for the tank-end pipe legs ( 5),

•Measure and cut un-drilled end of pipe

Frame Assembly

legs to correct length,

•Attach 'U' brackets to runners with 5/16" X 1 3/4" lag screws and washers or Unistrut bolts (refer to Figure below),

Lower Pipe Leg Installation

•Insert un-drilled ends of pipe legs into frame,

•Attach drilled end of pipe legs to 'U' brackets using 2" screws,

•Screw pipe legs to frame with 2" screws through pipe legs and frame sleeves,

•Continue with Collector Installation.

Pipe Leg Connection Detail

2”

Screws Frame Leg

“U” Bracket

22