Liberty Pumps · 257
Ready to buy
The retained reference is $216.75 current U.S. street reference. Confirm model 257, 115 V and 10-foot cord rather than manual, wide-angle, high-voltage or CSP basin variants. Commission every pump, float, check valve, alarm and notification path before relying on the installation.
Current market
Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.
Confirm model 257, 115 V and 10-foot cord rather than manual, wide-angle, high-voltage or CSP basin variants. Confirm exact current stock, seller authorization, tax, delivery, battery, valves, pipe, alarm, labor, permits and return terms before paying.
Liberty 257 is the balanced professional primary where a compact magnetic switch and replaceable cord matter and its curve covers the measured duty.
Other paths
These are not generic competitors. Each one represents a different way to buy into the same market.
Zoeller Pump Company
Liberty Pumps
What changed
Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.
257 was checked against exact manufacturer identity and manual, current U.S. price, hydraulic curve, basin and switch fit, discharge and check-valve path, power or battery system, alarm and connectivity, service, independent evidence and bounded owner or installer reports.
Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.
Current reference priceA structured timeline will begin with the next source capture
Owner experience
Owner and installer discussion returns to compact pit fit, magnetic-switch action, cord service, quiet operation and exact replacement rather than a universal reliability or flood result.
These are self-reported experiences across different basins, inflows, heads, pipe and check-valve layouts, circuits, batteries, chargers, alarms, networks, maintenance, installation quality, weather and service ages. They identify commissioning and service checks and do not establish standardized flow, runtime, notification delivery, reliability, failure rate, flood prevention, mold prevention, safety, code approval, insurability or claim outcomes.Exact-model reviews discuss installer preference, compact fit, quiet operation, magnetic switch and replacements. The small self-selected sample does not establish lifespan.
Confirm the real curve point and switch cycle, add a serviceable valve and union and commission a separate alarm and backup response.
1 evidence recordSources
The page separates what a source states directly from what we conclude across sources.
Liberty Pumps identifies exact model 257 as a compact cast-iron workhorse with a replaceable quick-connect cord and vertical magnetic switch.
$216.75 current U.S. street reference was retained for exact model 257. Confirm model 257, 115 V and 10-foot cord rather than manual, wide-angle, high-voltage or CSP basin variants
The current 250-series curve places model 257 at about 36 GPM at 10 feet and 26 GPM at 15 feet with shutoff near 18 feet; add pipe and valve loss before selecting the operating point The vertical magnetic float is intended for smaller pits and the vortex pump passes up to 1/2-inch solids in groundwater or supported effluent duty; this desk excludes septic, sewage, grease, wipes and grinder use The integral vertical magnetic float needs a clear compact travel path and fixed cycle; 1-1/2-inch discharge needs a union, check valve and code-compliant termination purchased and installed separately
The 1/3 HP 115 V motor is rated about 5.2 A with thermal protection and a quick-connect grounded cord; no battery or charger is included There is no outage runtime, alarm or connectivity; a separate backup and high-water signal are required if those failure modes matter Exercise the magnetic float, inspect the removable cord connection, basin, check valve and discharge and retain lifting access; de-energize before removal Liberty lists three-year limited coverage; float obstruction, cord or motor issue, short cycling, check-valve leak, frozen or blocked pipe, outage and excessive inflow remain
EPA guidance centers moisture-source correction, prompt drying and appropriate remediation. A sump pump does not by itself stop leaks, dry materials or remediate mold.
Flood cleanup can involve electrical shock, sewage and chemical contamination, mold, unstable materials and injury hazards that require appropriate utilities, protective equipment and trained help.
Pits and restricted spaces can contain hazardous atmospheres, engulfment or difficult rescue conditions. Entry requires an applicable assessment and controls rather than an assumption that a residential space is safe.
Flood insurance coverage, exclusions, documentation and claim outcomes are policy- and event-specific. Equipment ownership or an alarm does not guarantee coverage, insurability or payment.
Independent professional-supply coverage preserves the exact automatic 257, current price, manuals, switch, power and package boundary and does not merge it with the broader 250 series.
Exact-model reviews discuss installer preference, compact fit, quiet operation, magnetic switch and replacements. The small self-selected sample does not establish lifespan.
M53 Mighty-Mate is the cast-iron primary for a compact conventional basin alternative at $224.25 current U.S. street reference.
287 is the high-flow serviceable cast-iron primary alternative at $323.25 current U.S. street reference.
Manufacturer identity, exact current U.S. price, current manual or support path, independent editorial, laboratory or professional-market evidence and bounded exact-model owner or installer evidence were checked on August 18, 2026. This desk covers complete current or actively supported residential basement and crawlspace primary sump pumps, battery-backup sump systems and integrated primary-plus-backup packages. It excludes sewage, effluent-tank, grinder and utility pumps; standalone batteries, chargers, alarms and power converters; water-powered backups; commercial lift stations; unsupported or obsolete models; marketplace-only products; and cosmetic bundles or package padding. Pump flow must be read on the exact curve at total dynamic head, including vertical rise and pipe, fitting and check-valve loss. Zero-head flow and horsepower do not size a system. Basin diameter, depth, inlet elevation, usable cycle volume, switch travel, solids boundary, discharge diameter, check valve, union, air-lock relief, exterior termination and freeze or backflow exposure are installation facts. Primary, backup and high-water switches must move freely and be tested independently. Battery chemistry, group size, amp-hours, age, temperature, charger, cable, voltage sag, duty cycle and head control useful backup time; no runtime claim is a site promise. Audible, dry-contact, Wi-Fi, app and cloud alerts have different hardware, power, account, network, service, privacy and delivery boundaries. Keep receptacles, controllers, chargers and batteries dry and above possible water, use direct grounded connections and required GFCI and branch protection, isolate power before contact and use qualified electrical and plumbing work plus required permits and inspections. Never enter a sump, basin, crawlspace or other possible confined space without the applicable competent-person assessment and controls. Floodwater may contain sewage, chemicals, sharp objects and energized equipment. Do not touch water or pumps where electrical or contamination hazards may exist; use emergency, utility, remediation and public-health guidance. A sump system does not stop groundwater, sewer backup, plumbing failure, mold, backflow or contaminated flooding and does not replace drainage, grading, waterproofing, sewer protection, mold remediation, flood cleanup or a site-specific professional design. No product, curve, test, review, alarm, battery, warranty or installation guarantees flood prevention, runtime, notification, reliability, service life, mold prevention, property protection, code approval, permit acceptance, insurability, coverage or an insurance claim outcome.
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