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Sewage Ejector Installation, Service and Repair in San Francisco, CA
Reliable Lift for Every Fixture Below the Main
Any fixture sitting below the elevation of the sewer main has to have its waste lifted, and plumbing code requires that lift to happen from a gastight, vented basin through a discharge line no smaller than two inches. Get any part of that arrangement wrong and the failure eventually shows up on the floor of a finished basement. Malcolm Plumbing & Mechanical installs, services, and repairs sewage ejector systems throughout San Francisco, CA and the surrounding Peninsula cities.
Ejector pumps live in a punishing environment and tend to give very little warning before they quit entirely. We service float switches, check valves, basin seals, and venting, and we replace units before the alarm turns into a cleanup. Our crews are licensed and insured, estimates are free, and labor carries a one-year warranty, built on 35+ years of Bay Area work. Reach us through our contact page to book a service visit at your convenience.
Sewage Ejector Services We Provide
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Ejector Pump Installation
New systems get sized to the actual fixture load and the vertical lift required, not to whatever the supply house had in stock. Correct sizing keeps the pump from short cycling and gives the impeller the flow it needs.
Basin and Venting Installation
The basin has to seal gastight and vent independently to the outside, or sewer gas finds its way into the room. We set basins level, seal the cover properly, and run venting that satisfies both code and your nose.
Float Switch and Control Service
Float switches take the most abuse in the system and cause a surprising share of failures. Tethered floats tangle, vertical floats stick, and control panels drift out of calibration. Testing and adjusting these components restores reliable cycling quickly and cheaply.
Check Valve Replacement
Without a functioning check valve, everything in the discharge line drains back into the basin and the pump cycles endlessly. Replacing the valve and confirming its orientation stops that loop and dramatically extends the life of the motor.
Pump Repair and Replacement
Seized impellers, failed seals, tripped thermal overloads, and burned windings all present differently. Where repair is realistic we repair, and where the motor has run its life we replace with a unit matched to the existing basin and discharge.
Alarm and Backup System Installation
A high-water alarm gives you real warning before waste reaches the floor, and battery backup keeps the pump running through an outage. Both cost very little measured against the restoration bill that follows a single unnoticed overnight failure.
See Our Sewage Ejector Work
See how Malcolm Plumbing & Mechanical installs, repairs, and services reliable sewage ejector systems for San Francisco, CA properties.
FAQ's
How long does a sewage ejector pump last?
7 to 10 years is typical, though heavy use in a rental shortens that considerably. Pumps fighting a failed check valve rarely last that long, which 35+ years of basements across San Francisco, CA has taught Malcolm Plumbing & Mechanical.
What are the signs a sewage ejector pump is failing?
Longer run times, cycling when nothing has drained, gurgling from basement fixtures, odor around the basin, and a high-water alarm that trips intermittently. Any one of these deserves attention well before the pump stops entirely and without notice.
Why does my ejector pit smell?
The basin is not sealing. Cover gaskets harden, grommets around the discharge and vent crack, and inlet connections work loose over time. A properly sealed and vented basin should produce no detectable odor in the room at all.
Does a sewage ejector basin need to be vented?
Yes. Venting equalizes pressure as the basin fills and empties and carries gases outside rather than into the building. The vent has to be independent and correctly sized, and it cannot simply tie into a nearby fixture arm.
What size discharge pipe does a sewage ejector need?
2 inches is the minimum for a system handling a water closet, and larger diameters suit higher flows or longer runs. Undersized discharge forces the pump to work against excessive head pressure, which shortens motor life very considerably.
Can a sewage ejector pump handle a full bathroom?
A correctly sized unit handles a water closet, lavatory, and shower without difficulty. Adding a laundry connection or a second bathroom changes the calculation, so the pump capacity and basin volume should be reviewed before fixtures get added.
Why does my ejector pump run constantly?
Either water keeps returning to the basin or the float is not telling the pump to stop. A failed check valve produces the first symptom, a stuck or tangled float the second, and both are quick to diagnose.
Should a sewage ejector have a backup alarm?
Every system benefits from one. Malcolm Plumbing & Mechanical fits high-water alarms as a matter of course on installations across San Francisco, CA, because a few minutes of early warning routinely prevents thousands of dollars of restoration work.
Why Choose Us for Sewage Ejector Installation, Service and Repair
Systems Sized to Actual Fixture Load
A pump matched to a single lavatory struggles under a full bathroom with a laundry connection. Calculating real demand before specifying equipment means the system comfortably handles what you actually use rather than what someone once assumed you would.
Sealed Basins Done Right
Odor complaints almost always trace back to a cover gasket, a cracked grommet, or an inlet penetration that was never sealed properly. Attention to those details at installation prevents a problem that is genuinely miserable to chase afterward.
Service Before the Alarm Sounds
Ejector systems reward scheduled attention precisely because their failures are so unpleasant. A short annual visit to test the floats, check the valve, and confirm the alarm works costs very little measured against a basement full of sewage.
Access Built for Future Maintenance
Some basins are installed as though nobody will ever need to open them again. Unions on the discharge, accessible covers, and adequate clearance turn a future pump swap into an hour of work rather than a demolition project.
Contained, Sanitary Work Practices
Opening an ejector basin releases exactly what you would expect. Containment, protective equipment, and thorough disinfection of the surrounding area are all standard here, so the space is genuinely clean again by the time the repair is finished.
Parts Availability for Common Units
Waiting a week for a float switch is unacceptable when the basement bathroom is out of service. Stocking parts for the pumps commonly found in this area means most repairs happen on the first visit rather than the second.
Basement Plumbing That Stays Where It Belongs
Below grade fixtures are a quiet gift right up to the moment they are not, and the difference almost always comes down to whether the pump, the basin, and the venting were treated as one system or three separate afterthoughts. Malcolm Plumbing & Mechanical installs and maintains them as one, from sizing through sealing through the alarm that warns you before anything reaches the floor. Buildings across San Francisco, CA rely on us for exactly this, in basement apartments, garden units, and commercial lower floors. Book an assessment through our contact page and we will tell you honestly what your system needs.
Why Choose Us
24/7 Emergency Plumbing
We provide 24-hour emergency plumbing services to help customers address urgent plumbing problems quickly. Our team is ready to respond when unexpected issues arise.
Comprehensive Plumbing Services
We handle a wide range of plumbing and mechanical needs, from sewer stoppages and hydro jetting to water heaters, boilers, fixtures, and general plumbing repairs. This allows us to provide convenient solutions for many different projects.
Experienced Sewer Solutions
We specialize in sewer camera inspections, pipe location, hydro jetting, stoppage removal, and sewer replacement. Our detailed approach helps us identify plumbing problems and determine the right solution.
Reliable Service & Repairs
We take pride in providing dependable workmanship and practical solutions for residential and commercial customers throughout San Francisco and surrounding areas. From water leaks and backflow systems to boilers and sewage ejectors, we are committed to getting the job done right.
Areas We Serve
San Francisco, CA
San Jose, CA
Oakland, CA
Fremont, CA
Hayward, CA
Sunnyvale, CA
Santa Clara, CA
Vallejo, CA
Concord, CA
Berkeley, CA
Richmond, CA
Antioch, CA
San Mateo, CA
Daly City, CA
San Leandro, CA
Redwood City, CA
Mountain View, CA
San Ramon, CA
Dublin, CA
Alameda, CA