How to use the Pump Room in Blue Prince

The Blue Prince game is full of intricate rooms. Each of them serves a unique purpose. Amidst the same, the Pump Room stands out as the crucial area to control the water flow across the estate. It is the key to manipulating the water levels, but unlocking it needs a proper strategy. Here is everything you need to know about using it to drain or power up the reserve tank.

How to unlock Pump Room in Blue Prince?

Before you can access the Pump Room, you must draft a Pool room. It would cost you 1 gem. However, the pool alone will not guarantee you immediate success. So, repeatedly explore Mt. Holly until Pump Room appears. After you find it, you will note that its mechanics revolve around numbered pipes and pump levers. So, study the Pump Room Schematic to match the pipes with the control panel buttons and to avoid trial-and-error.


Pro tip: To drain the fountain will reveal the Antechamber basement. The bottom of the pool hides the collectibles. So, plan the water adjustments around the discoveries.

How to use Pump Room in Blue Prince?

The Pump Room allows you to control the water in 6 important areas, including,

• Fountain
• Reservoir
• Aquarium
• Kitchen
• Greenhouse and
• Pool

Each of these has some unique interactions when they are filled or drained. To start it,

• On the control panel, select a water source.
• Next, trace the connected pipe to the corresponding pump.
• Flip level up for draining or down to fill up. The changes persist until they are manually adjusted.

For some deeper control, you will need the power of the Boilers Room to activate the reserve tank. It lets you completely drain the Reservoir, thereby unlocking the paths like Room 46. Without the power, certain features will remain locked. So, give priority to linking the rooms through the gear type or the red rooms for the ventilation shafts.

Unlocking full potential of Boiler Room

The reserve tank in the Pump Room works only when it is powered by the Boiler Room. So, solve the three-tank puzzle of the Boiler room to activate it. The puzzle includes the alignment of valves and redirecting pipes. Ensure that the stream routes to central machinery. Next, connect both rooms through ventilation shafts (using gear-type/red rooms). The combo is important for the late-game areas like the boat passage of Reservoir.


An alternative here is The Aquarium with the Electric Eel upgrade. It can even power the facilities. But it is just a niche workaround. So, for reliability, stick to the Boiler Room.


With the steps mentioned above, the Pump Room can easily become the powerhouse to uncover some of the deepest secrets of Blue Prince, one lever flip at a time. So, do not wait. Proceed with the game now.




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