Do you have a question about the Zoeller BASEMENT SENTRY II and is the answer not in the manual?
Inspect pump for damage during shipment and read all installation instructions before starting.
Covers electrical safety, grounding, battery handling, swimming pool use, and California Prop 65.
Covers grounding, circuit protection, pump usage, service, float switch, and water turbulence.
Checks fuse, connections, wire terminals, and battery charge for pump operation issues.
Addresses weak battery issues, float switch operation, and pump performance.
Investigates float switch tether length adjustment for pump cycling frequency.
Checks for obstructions preventing impeller rotation when the float switch is on.
Troubleshoots air locking due to high velocity incoming water, suggesting baffling.
Covers weak batteries, control box delays, and checks for primary pump issues.
Addresses alarm behavior during recharge cycles, suggesting reset or battery replacement.
Covers initial part checks, location selection, primary pump adjustment, and PVC pipe replacement.
Details attaching the mounting bracket, assembling the pipe loop, and connecting it to the pump and discharge.
Covers mounting the control box, placing the battery, and connecting leads and fuses.
Connects pump and float switch plugs to control box, plugs into outlet, and reconnects primary pump power.
Verifies power, battery charging status, and pump operation using indicator lights and alarms.
Explains alarm signals for low battery, weak battery, and how to manage the alarm silence switch.
Addresses battery drain during long outages, the need for multiple batteries, and post-outage recharge.
Tests system by disconnecting primary power, checks for leaks, and verifies primary pump function.
Covers checking indicator lights, testing the pump, and confirming primary pump operation.
Provides recommendations for battery maintenance, replacement, and handling acid safely.
Offers advice on managing potential CO detector false alarms due to battery charging by-products.
Inspect pump for damage during shipment and read all installation instructions before starting.
Covers electrical safety, grounding, battery handling, swimming pool use, and California Prop 65.
Covers grounding, circuit protection, pump usage, service, float switch, and water turbulence.
Checks fuse, connections, wire terminals, and battery charge for pump operation issues.
Addresses weak battery issues, float switch operation, and pump performance.
Investigates float switch tether length adjustment for pump cycling frequency.
Checks for obstructions preventing impeller rotation when the float switch is on.
Troubleshoots air locking due to high velocity incoming water, suggesting baffling.
Covers weak batteries, control box delays, and checks for primary pump issues.
Addresses alarm behavior during recharge cycles, suggesting reset or battery replacement.
Covers initial part checks, location selection, primary pump adjustment, and PVC pipe replacement.
Details attaching the mounting bracket, assembling the pipe loop, and connecting it to the pump and discharge.
Covers mounting the control box, placing the battery, and connecting leads and fuses.
Connects pump and float switch plugs to control box, plugs into outlet, and reconnects primary pump power.
Verifies power, battery charging status, and pump operation using indicator lights and alarms.
Explains alarm signals for low battery, weak battery, and how to manage the alarm silence switch.
Addresses battery drain during long outages, the need for multiple batteries, and post-outage recharge.
Tests system by disconnecting primary power, checks for leaks, and verifies primary pump function.
Covers checking indicator lights, testing the pump, and confirming primary pump operation.
Provides recommendations for battery maintenance, replacement, and handling acid safely.
Offers advice on managing potential CO detector false alarms due to battery charging by-products.
| Model | BASEMENT SENTRY II |
|---|---|
| Horsepower | 1/3 HP |
| Voltage | 115V |
| Discharge Size | 1-1/2" NPT |
| Material | Cast Iron |
| Housing Material | Cast Iron |
| Impeller Material | Thermoplastic |
| Float Switch Included | Yes |
| Thermal Protection | Yes |
| Pump Type | Submersible |
| Motor Type | PSC |
| Phase | Single |
| Warranty | 3 years |












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