LG LT1000P (ADQ74793501)
- Refrigerator
- Point of use
- City water
- Well water
- Replacement element
- No listing
$45.79as of 2026-08-30MSRP $46.99 as of 2026-08-30
Secondary sourceVerified 2026-08-30Retailer listing
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Our verdict on the LG LT1000P (ADQ74793501)
The LG LT1000P is a 200-gallon, six-month point-of-use refrigerator cartridge for potable municipal or private-well water, with a published 20–120 psi and 33–100°F operating range.[1]
Best for
- Point-of-use refrigerator filtration on potable municipal or private-well water at 20–120 psi
Not for
- Microbiologically unsafe or unknown-quality water without adequate disinfection
- Water supplies above 120 psi or outside the published 33–100°F range
Primary sourceVerified 2026-08-30Manufacturer datasheet
Which models the LG LT1000P (ADQ74793501) fits
The LG LT1000P (ADQ74793501) fits the one model listed below, verified 2026-08-30.[1]
| Model | Notes |
|---|---|
| LF30S8210S | LG lists the LT1000P as a replacement water-filter accessory on this refrigerator's product page |
Primary sourceVerified 2026-08-30Brand official
Certification check: LG LT1000P (ADQ74793501)
No listing found in the NSF, IAPMO R&T, and WQA directories as of 2026-08-30.
| Directory | Result | Listing |
|---|---|---|
| NSF | No listing found (checked 2026-08-30) | View listing |
| IAPMO R&T | No listing found (checked 2026-08-30) | View listing |
| WQA | No listing found (checked 2026-08-30) | View listing |
Claimed vs. certified: LG LT1000P (ADQ74793501)
| Contaminant | Status | Third-party listing | What the brand says |
|---|---|---|---|
| 2,4-D | Marketed only | No entry |
|
| Asbestos | Marketed only | No entry |
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| Atenolol | Marketed only | No entry |
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| Atrazine | Marketed only | No entry |
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| Benzene | Marketed only | No entry |
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| Bisphenol A | Marketed only | No entry |
|
| Carbamazepine | Marketed only | No entry |
|
| Carbofuran | Marketed only | No entry |
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| Chlorine taste and odor | Marketed only | No entry |
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| Cyst | Marketed only | No entry |
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| DEET | Marketed only | No entry |
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| Estrone | Marketed only | No entry |
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| Ibuprofen | Marketed only | No entry |
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| Lead @pH6.5 | Marketed only | No entry |
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| Lead @pH8.5 | Marketed only | No entry |
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| Lindane | Marketed only | No entry |
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| Linuron | Marketed only | No entry |
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| Mercury @pH6.5 | Marketed only | No entry |
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| Mercury @pH8.5 | Marketed only | No entry |
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| Naproxen | Marketed only | No entry |
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| Nominal Particulate Class I | Marketed only | No entry |
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| Nonyl Phenol | Marketed only | No entry |
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| P-Dichlorobenzene | Marketed only | No entry |
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| Phenytoin | Marketed only | No entry |
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| Trimethoprim | Marketed only | No entry |
|
How long the LG LT1000P (ADQ74793501) lasts, and what it costs a year
The LG LT1000P (ADQ74793501) is rated for 200 gallons or 6 months, verified 2026-08-30. Replacing it on that schedule costs $91.58 a year, verified 2026-08-30.
Cost per year
| Element | Replace | Cost per year |
|---|---|---|
| LT1000P (ADQ74793501) | every 6 months, or every 200 gallons | $91.58 |
| Total per year | $91.58 | |
Secondary sourceVerified 2026-08-30Manufacturer datasheetRetailer listing
What the LG LT1000P (ADQ74793501) does not do
Do not use it with microbiologically unsafe water or water of unknown quality without adequate disinfection before or after the system. The LG LT1000P (ADQ74793501)'s recorded operating limits are Water pressure at least 20 psi and up to 120 psi, Water temperature at least 33 °F and up to 100 °F, verified 2026-08-30.
Do not use it with microbiologically unsafe water or water of unknown quality without adequate disinfection before or after the system.[1]
Primary sourceVerified 2026-08-30Manufacturer datasheet
Operating limits
Do not buy it for these situations
Well waterPrivate-well water must be potable; microbiologically unsafe or unknown-quality water requires adequate disinfection before or after the system.[1]
Primary sourceVerified 2026-08-30Manufacturer datasheet
Water pressureInstall a pressure-reducing valve above 80 psi, and do not install the filter if supply pressure exceeds 120 psi.[1]
Primary sourceVerified 2026-08-30Manufacturer datasheet
How the LG LT1000P (ADQ74793501) works
The LG LT1000P (ADQ74793501) treats water in two stages: Sediment filtration, then Activated carbon, verified 2026-08-30.[1]
| Stage | Method | Media | Micron rating |
|---|---|---|---|
| 1 | Sediment filtration | Not recorded | Not recorded |
| 2 | Activated carbon | highly effective carbon filter | Not recorded |
Primary sourceVerified 2026-08-30Brand official
Fit and sizing: LG LT1000P (ADQ74793501)
The LG LT1000P (ADQ74793501) is a refrigerator unit installed at the point of use, for city water and well water. It is rated for 0.5 gpm of service flow, verified 2026-08-30.
| Form factor | Refrigerator |
|---|---|
| Installed at | Point of use (one fixture) |
| Water source | City water and Well water |
| Service flow | 0.5 gpm[1] Primary sourceVerified 2026-08-30Manufacturer datasheet |
| Operating pressure | 20–120 psi[1] Primary sourceVerified 2026-08-30Manufacturer datasheet |
| Operating temperature | 33–100 °F[1] Primary sourceVerified 2026-08-30Manufacturer datasheet |
What the LG LT1000P (ADQ74793501) really costs
The LG LT1000P (ADQ74793501) costs $45.79 as of 2026-08-30. Over ten years, including installation and replacement elements, the recorded total is $961.59.
DIY install[1]
Primary sourceVerified 2026-08-30Brand official
Replacement schedule
| Element | Replace | Cost per year |
|---|---|---|
| LT1000P (ADQ74793501) | every 6 months, or every 200 gallons | $91.58 |
Secondary sourceVerified 2026-08-30Manufacturer datasheetRetailer listing
Ten-year cost of ownership
| Purchase price (as of 2026-08-30) | $45.79 |
|---|---|
| Replacement elements, 10 × $91.58/year | $915.80 |
| Sum of the lines above (as of 2026-08-30) | $961.59 |
| Recorded ten-year total | $961.59 |
Installing the LG LT1000P (ADQ74793501)
Installing the LG LT1000P (ADQ74793501) is an easy job. DIY install, verified 2026-08-30.
Manufacturer documentation
- Install manual: https://www.lg.com/us/support/products/documents/LT1000_Instruction-and-Safety_Manual.pdf (accessed 2026-08-30)
Ongoing maintenance
- Replace the disposable filter cartridge — every 6 months
Primary sourceVerified 2026-08-30Manufacturer datasheet
Track record: LG LT1000P (ADQ74793501)
Amazon shows 4.7 out of 5 from 35,836 reviews as of 2026-08-30.
| Source | Rating | Reviews | As of |
|---|---|---|---|
| Amazon | 4.7 out of 5 | 35,836 | 2026-08-30 |
The LG LT1000P (ADQ74793501) against its family and its rivals
The LG LT1000P (ADQ74793501) has 4 siblings in its family: LT1000P2, LT1000P3, LT1000PC (ADQ74793504), LT1000PCS (ADQ74793505).
The rest of the family
| Model | What differs |
|---|---|
| LT1000P2 | Two-cartridge pack instead of one |
| LT1000P3 | Three-cartridge pack instead of one |
| LT1000PC (ADQ74793504) | Alternative LG replacement-cartridge part number named on the same performance data sheet |
| LT1000PCS (ADQ74793505) | Alternative LG replacement-cartridge part number named on the same performance data sheet |
LG LT1000P (ADQ74793501) questions, answered
Is it okay to use a generic water filter in an LG refrigerator?
Verified health claim
LG warns that unauthorized water filters may cause malfunction, leakage, or water-quality issues and says resulting service issues are not covered by the product warranty. Confirm the refrigerator's exact filter requirement with LG's model lookup before substituting another cartridge.
Can I use a generic water filter in my LG refrigerator?
What is the best water filter for an LG LT1000P refrigerator?
Sources and data report: LG LT1000P (ADQ74793501)
Every figure above is taken from the highest-trust source that carries it and re-derived from that source by a separate check. How we verify product data.
What we could not establish, and why
| Field | Why it is blank |
|---|---|
| identity.family | LG's product page and performance sheet identify pack and part-number variants but do not publish a distinct family name for LT1000P. |
| certified.certIndexKey | The local certification corpus had no exact LG LT1000P/ADQ74793501 join; this is only a fact about the partial local index. |
| fit.bathroomsServed | Bathroom sizing does not apply to a point-of-use refrigerator cartridge, and LG publishes no bathroom range. |
| fit.householdSize | LG's product page, manual, and performance sheet publish capacity and flow but no household-size range. |
| fit.roOutputGpd | This is not a reverse-osmosis membrane; LG publishes no RO output rating. |
| fit.roTankCapacity | This refrigerator cartridge has no RO storage tank, and LG publishes no tank-capacity value. |
| fit.dimensions | LG publishes only gross package dimensions (7.1 by 2.1 by 2.1 inches), not unambiguous cartridge dimensions, so the package values were not used as product dimensions. |
| fit.connectionSize | LG's product page, instruction manual, and performance sheet do not state a plumbing connection size for the twist-in cartridge. |
| fit.requiresElectricity | The cartridge installs inside a refrigerator, but LG does not state a separate electricity requirement for the cartridge itself. |
| fit.requiresDrain | LG's product page and instruction manual do not explicitly state a drain requirement for the cartridge. |
| cost.wasteRatio | A waste ratio is an RO-system metric; LG publishes no waste stream or ratio for this refrigerator cartridge. |
| cost.warranty | The cartridge manual directs readers to the refrigerator owner's manual for limited-warranty information and does not establish a cartridge-specific term. |
| cost.moneyBackGuarantee | LG's product page and cartridge manual do not publish a product-specific money-back guarantee. |
| install.estimatedHours | LG says installation takes minutes but gives no numeric duration that can be converted honestly to hours. |
| install.video | The LG product page did not expose a clearly identified LT1000P installation video; search results were not used as an install citation. |
| comparisons.familyCertNote | The live NSF, IAPMO R&T, and WQA checks did not produce an OEM listing whose scope could support a family or OEM-versus-compatible certification statement. |
| seo.verification | The independent verification loop has not yet run; it owns this stamp. |
Every source behind this page
- Brand officialaccessed: 2026-08-30https://www.lg.com/us/appliances-accessories/lg-lt1000p-refrigerator-water-filter
- LG offered the LT1000P for single purchase and displayed an Add to Cart action on 2026-08-30
- LG describes a first layer that filters larger particles followed by a carbon filter
- LG displayed a $46.99 single-purchase price and described its subscription as $7 off that MSRP
- LG describes a twist-in replacement completed in minutes with no tools
- LG describes replacement in minutes by twisting the old cartridge out and the new one in
- LG states that replacement requires no tools
- LG directs buyers to enter their refrigerator model number in its filter finder
- LG's refrigerator-model filter finder
- LG instructs shoppers to verify filter fit by refrigerator model number
- Brand officialaccessed: 2026-08-30https://www.lg.com/us/refrigerators/lg-lf30s8210s-french-4-door-refrigerator
- LG's LF30S8210S refrigerator page lists the LT1000P replacement water filter
- LG's LF30S8210S product page lists LT1000P as a replacement water filter
- Manufacturer datasheetaccessed: 2026-08-30https://www.lg.com/us/support/products/documents/LT1000_Instruction-and-Safety_Manual.pdf
- LG's performance data sheet rates the cartridge for 200 gallons
- LG instructs replacement every six months or sooner
- 200-gallon capacity and six-month replacement interval
- Potable community or private-well supply
- 20–120 psi and 33–100°F operating ranges
- Disinfection warning for microbiologically unsafe or unknown-quality water
- LG's unsafe-water and unknown-quality-water warning
- 20–120 psi water-pressure range
- 33–100°F water-temperature range
- Potable private-well supply condition and disinfection warning
- Pressure-reducing-valve instruction above 80 psi and 120 psi maximum
- 0.5 gpm service flow
- Six-month or 200-gallon replacement schedule
- Installation, safety, operating limits, replacement interval, and performance table
- Disposable-cartridge replacement every six months or sooner
- LG's warning about unauthorized filters, malfunction, leakage, water-quality issues, and warranty coverage
- Retailer listingaccessed: 2026-08-30https://www.amazon.com/dp/B074HLRXMP
- Amazon's one-time purchase price for the exact LG LT1000P listing was $45.79
- $45.79 per-cartridge price used to calculate $91.58 per year
- Government agencyaccessed: 2026-08-30https://www.cpsc.gov/s3fs-public/recall-data/recalls_recall_listing.csv
- The current CPSC recall dataset contained no LT1000P, ADQ74793501, or ADQ74935 match
- Unverifiedaccessed: 2026-08-30https://www.google.com/search?q=%22LG+LT1000P%22+recall+lawsuit+litigation
- The live model-specific news/web search returned no recall or litigation result about the LT1000P cartridge
Cite this page
TapWaterData Editorial. "LG Water Filter LT1000P: Cost, Specs & Cert Check." TapWaterData, verified 2026-08-30. https://www.tapwaterdata.com/filters/brand/lg/lt1000p
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