The M-3000 pool sentry from Rola-Chem maintains the water level of a pool or spa automatically! Assembling the Pool Sentry is easy, just...
The supply water stays on at all times when the Pool Sentry is in the pool. As the float drops, the water turns on. When the float reaches its set height, the water shuts off. The float adjusts to the desired level, usually a point halfway on the tile line or skimmer.
Features / Benefits:
Note: since the hose is under constant water pressure, it is essential that you use a heavy-duty, reinforced hose. A flyer in each box recommends an aftermarket hose for the sentry, which is rated to 200 psi working pressure and 750 psi burst strength.
Works great!
Excellent!
We 'think its great. We are away a fair bit and more times than not came home to a low water level or worse. The sentry has worked out very well for us.
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