Quick Answer: To solve the CEG HQ Pipe Tower Puzzle in Silent Hill: Townfall, silence the alarm with code A5D7, release the rotation clamps with E3E3, align all four pipe sections, then use Gas Flow, Flow Test, and IGNITE from the Command Console.
The CEG HQ Pipe Tower Puzzle requires controlling the elevator, retrieving the Controller Key, disabling the alarm, releasing the pipe rotation clamps, and then correctly aligning four rotating pipe sections. Once the gas flow passes through the entire tower, the final IGNITE command completes the puzzle.
| Puzzle element | Solution |
|---|---|
| Controller Key | Lower elevator level, office desk |
| Alarm Status code | A5D7 |
| Rotation Clamp code | E3E3 |
| Pipe section 1 | Rotate left or right twice |
| Pipe section 2 | Rotate left once |
| Pipe section 3 | Rotate left or right twice |
| Pipe section 4 | Rotate left or right twice |
| Final controls | Gas Flow → Flow Test → IGNITE |
Location of the puzzle
The puzzle takes place inside CEG HQ, at the large central pipe tower. The elevator and control consoles are used to access the different levels and activate the tower’s pipe controls.

How to solve the CEG HQ Pipe Tower Puzzle in Silent Hill Townfall
Phase 1: Disable the alarm and release the clamps
Step 1: Lower the elevator
Go to the elevator control panel and lower the elevator to the lower level.
Step 2: Collect the Controller Key
Enter the nearby office area and pick up the Controller Key from the desk.

Step 3: Raise the elevator
Return to the elevator control panel and select the upper level to raise the elevator.
Step 4: Silence the alarm
At the upper desk, interact with the Alarm Status console. Insert the Controller Key and enter A5D7.

Step 5: Release the rotation clamps
Use the nearby Command Console keypad and enter E3E3. Press OK to release the clamps.

Phase 2: Align the pipe tower
Step 6: Rotate Section 1
At the ground-level pipe wheel, rotate Section 1 twice in either direction until it connects with the red pipe.
Step 7: Rotate Section 2
Move to the first-floor pipe section and rotate Section 2 once to the left.
Step 8: Rotate Section 3
Move to the second-floor section and rotate Section 3 twice in either direction.

Step 9: Rotate Section 4
Move to the third-floor section and rotate Section 4 twice in either direction.
Check the entire tower to ensure the red pipe sections form a continuous connection from bottom to top.
Phase 3: Test the gas flow and ignite the tower
Step 10: Activate Gas Flow
Return to the main Command Console on the ground level and select Gas Flow.
Step 11: Run the Flow Test
Select Flow Test. Correctly aligned pipes will light up green, confirming that the gas can travel through the tower.

Step 12: Ignite the tower
Select IGNITE once the flow test succeeds. The pipe tower will ignite and the CEG HQ Pipe Tower Puzzle will be completed.
CEG HQ Pipe Tower Puzzle rewards
| Completion | Result |
|---|---|
| Alarm disabled | Allows the tower controls to be used |
| Rotation clamps released | Unlocks pipe-section rotation |
| Pipe alignment completed | Enables successful gas flow |
| Flow Test completed | Confirms the correct configuration |
| IGNITE activated | CEG HQ Pipe Tower Puzzle completed |
The important codes are A5D7 for the Alarm Status console and E3E3 for the rotation clamps. After releasing the clamps, rotate the four sections 2, 1-left, 2, 2 times respectively, then return to the Command Console and activate Gas Flow → Flow Test → IGNITE.
FAQs
What is the CEG HQ Pipe Tower Puzzle code in Silent Hill Townfall?
The CEG HQ Pipe Tower Puzzle uses two codes. Enter A5D7 at the Alarm Status console to silence the alarm, then enter E3E3 at the Command Console to release the pipe rotation clamps.
Where do you find the Controller Key?
The Controller Key is found in the office area near the elevator after lowering the elevator to the lower level.
How do you release the pipe rotation clamps?
After retrieving the Controller Key and raising the elevator, use the Command Console keypad and enter E3E3. Press OK to release the clamps.
How do you align the CEG HQ pipes?
Rotate the four pipe sections in this order: Section 1 twice, Section 2 once left, Section 3 twice, and Section 4 twice. The sections should form a continuous pipe connection.
Does the direction matter when rotating the pipe sections?
For Sections 1, 3, and 4, the solution requires two rotations and can be performed in either direction according to the walkthrough. Section 2 must be rotated once to the left.
Video help:







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