Instructions / Assembly
HOMEDEPOT.com
Please contact 1-877-297-6069 for further assistance.
Installation
1
PREPARING FOR INSTALLATION
□ This 24 in. septic tank riser cover (A) will t most 24 in.
installed risers. Test t the riser cover (A) to ensure it is
correct for your riser.
□ Clean the sealing surface of your riser.
□ Remove the hardware pack containing the four square-drive
screws (B) from the back of the riser cover (A).
A
B
2
INSTALLING THE RISER COVER
□ Place the riser cover (A) on your riser. Ensure the rubber seal
is making a seal with the top of your riser.
□ Using the four screw holes in the riser cover (A) as a guide,
drill four 3/16 in. holes through your riser.
NOTE: Some risers may require the use of holes other than the molded
screw holes in the riser cover. For these risers, use the two additional
drill points molded on the top of the cover.
□ Install the screws (B) with a #3 square driver.
□ For access to your riser, remove the screws (B) and cover (A),
then reinstall.
A
B
Safety Information
WARNING: Failure to properly secure the riser cover will create a serious safety risk. Follow these installation instructions carefully.
Warranty
This product is warranted to the original consumer purchaser to be free from defects in material and workmanship for a period of one year from the date of
purchase. For additional details and questions, please contact Everbilt Customer Service at 1-877-297-6069.
TOOLS REQUIRED
Drill with 3/16 in. drill bit #3 Square Driver
PACKAGE CONTENTS
A - Riser Cover x1 B - Square drive screws x4
Use and Care Guide
2 in. ABS In-Line Sewage
Pump Check Valve
Item # 1001091730
Model # THD1058
WARNING: Always disconnect power to your pump and release system pressure before servicing.
Flathead Screwdriver
Check Valve Body
2 x Flexible Adapters
4 x Hose Clamps
Safety Goggles
Hacksaw or PVC Cutter
Tape Measure
1. Unplug your pump.
2. Close the shut off valve above your check valve if you
have one.
3. Disconnect the discharge pipe below your existing
check valve.
4. Drain the discharge pipe above the check valve into
and remove the old check valve.
5. Loosen all four clamps on your new check valve.
6. Ensure the space between the two pipe ends is 5-1/2”.
7. Install your new check valve, with the flow arrow
pointing away from the pump, by inserting the two
pipe ends into the flexible adapters. The flow arrow
should be on top for horizontal installations.
8. Position the check valve assembly as shown, and
tighten clamps. Do not exceed 15 in-lbs. Do not
overtighten.
9. Plug in your pump. Cycle your system a few times and
check for leaks. Retighten any clamps if necessary.
Do not exceed 15 in-lbs. Do not overtighten.

