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Bosch · NGMP059UC

Benchmark 30-Inch Gas Cooktop

Five sealed burners use nine-level valves, continuous grates and thermocouple flame monitoring in a deeper rough-in box than some value platforms. The current installation material specifies a two-inch-high by 28 15/16-inch-wide by 19 1/8-inch-deep cutout; the regulator, clamps, counter support and any under-counter oven need exact coordination
Market statusCurrent 30-inch Benchmark flame-monitored cooktopChecked Aug 21
Reference price$2,149 current U.S. manufacturer priceExact NGMP059UC current U.S. manufacturer reference
Product cyclecurrentRelease history under review
EvidenceWell supported5 publishers · 4 independent
Next full checkAug 28, 2026Price checks run sooner
01

Ready to buy

Confirm the exact model, utilities and ventilation

The retained reference is $2,149 current U.S. manufacturer price. Appliance-only reference before tax, delivery, countertop or cabinet work, gas and electrical work, LP conversion, regulator or connector scope, hood, make-up air, permits, installation and service plan; confirm exact E-number or revision, stock, return terms and authorized U.S. support. Have the seller and qualified trades confirm the complete installed scope before payment.

02

Current market

The facts that change the ownership choice

Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.

QuestionCurrent answerFreshnessBasis

Current price

$2,149 current U.S. manufacturer price

Appliance-only reference before tax, delivery, countertop or cabinet work, gas and electrical work, LP conversion, regulator or connector scope, hood, make-up air, permits, installation and service plan; confirm exact E-number or revision, stock, return terms and authorized U.S. support.

Checked 3 days agoDirect source1 evidence item

Cooktop or rangetop architecture and width

30-inch stainless Benchmark drop-in cooktop. Five sealed burners use nine-level valves, continuous grates and thermocouple flame monitoring in a deeper rough-in box than some value platforms
Checked 3 days agoOur synthesis3 evidence items

Cutout, counter, support and clearances

The current installation material specifies a two-inch-high by 28 15/16-inch-wide by 19 1/8-inch-deep cutout; the regulator, clamps, counter support and any under-counter oven need exact coordination
Checked 3 days agoOur synthesis3 evidence items

Burners, grates, pans and griddle geometry

Five positions total a claimed 43,750 BTU on natural gas with an 18,050-BTU center and OptiSim; LP ratings and pan outcomes differ
Checked 3 days agoOur synthesis4 evidence items

Fuel, pressure, conversion and connection

A qualified installer must match natural gas or the exact supported LP conversion, inlet and manifold pressure, regulator direction, shutoff, rigid supply and approved connector, follow permitted pressure and leak-test procedures without a flame and commission ignition and flame at every burner. If gas is smelled or ignition is delayed, stop use, avoid switches and flames, leave the area and follow the gas supplier or emergency authority instructions.
Checked 3 days agoOur synthesis3 evidence items

Ignition, electrical and outage behavior

Use the exact grounded 120 V branch or receptacle stated by the manual, never an extension cord and never defeated grounding. Electronic ignition, re-ignition, flame monitoring, lights and griddles can change behavior during an outage, so use only the exact model's documented outage procedure and close the gas shutoff before qualified service.
Checked 3 days agoOur synthesis3 evidence items

Hood, make-up air, combustion and CO

Gas combustion and cooking produce carbon monoxide, nitrogen dioxide, particles, grease, moisture and heat. Use a correctly installed outdoor-vented hood whose width, depth, capture area, airflow at installed static pressure, duct and termination fit the whole burner field, and assess make-up air and other combustion appliances under local code. Maintain listed CO alarms. Neither a hood nor an alarm guarantees safe air.
Checked 3 days agoOur synthesis4 evidence items

Local controls and connected boundary

Physical knobs and monitored electronic ignition remain local and account-free; flame monitoring is a device boundary, not a promise against every gas or ignition hazard
Checked 3 days agoOur synthesis3 evidence items

Cleaning, service, parts and recall check

Retain regulator and LP conversion components, clean thermocouple and burner areas carefully and confirm service access, warranty exclusions, parts and recalls
Checked 3 days agoOur synthesis3 evidence items

Burn, fire, gas-leak and electrical safety

Keep children, loose clothing, combustible materials and pan handles away from knobs, flame and hot grates. Never use the appliance for room heating. Stop for gas odor, delayed ignition, flash, damaged wiring, soot, abnormal flame, CO alarm or unexplained symptoms; ventilate and obtain qualified help. Burn, grease-fire, gas-leak, combustion, carbon-monoxide and electrical hazards remain.
Checked 3 days agoOur synthesis3 evidence items

No BTU, simmer, speed, emissions or reliability guarantee

Width, burner count, grate shape, pan fit, BTU input, total connected input, valve step, ExtraLow, OptiSim, FlameSelect, dual-ring or Star-burner design, electric griddle, independent test, owner report, warranty and service plan do not guarantee boil or sear speed, simmer stability, pan temperature, heat evenness, cooking result, emissions, air quality, safety, cleaning, reliability, durability, uptime or repair outcome.
Checked 3 days agoOur synthesis5 evidence items

Current verdict

Defended 30-inch Benchmark flame-monitored cooktop

Benchmark 30-Inch Gas Cooktop is retained when its exact 30-inch stainless Benchmark drop-in cooktop, five sealed burners use nine-level valves, continuous grates and thermocouple flame monitoring in a deeper rough-in box than some value platforms and installed utility and service boundary fit better than the two defended alternatives.

Checked 3 days agoOur synthesis12 evidence items
03

Other paths

The alternatives change what the Benchmark 30-Inch Gas Cooktop is worth

These are not generic competitors. Each one represents a different way to buy into the same market.

01lower upfront

Bosch

800 Series 30-Inch Gas Cooktop

$1,749 current U.S. manufacturer price
Best fit
premium 30-inch FlameSelect cooktop
Tradeoff
30-inch stainless drop-in cooktop; Five sealed burners, continuous dishwasher-rated grates, LED knob indicators and nine-level FlameSelect valves distinguish it from the 500 Series
Open the source
02premium

Bosch

Benchmark 36-Inch Gas Cooktop

$2,249 current U.S. manufacturer price
Best fit
36-inch Benchmark flame-monitored cooktop
Tradeoff
36-inch stainless Benchmark drop-in cooktop; Five sealed burners retain the nine-level valve and flame-monitoring architecture in a materially wider cutout and vessel field
Open the source
04

What changed

The product has a history

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.

  1. notable

    Current gas cooktop and rangetop evidence retained

    Benchmark 30-Inch Gas Cooktop was checked against current manufacturer identity and price, specification and installation material, support, independent category evidence, bounded owner evidence, ventilation and recall boundaries.

Price record

The price history starts here

Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.

  1. $2,149 current U.S. manufacturer price

    Current reference priceA structured timeline will begin with the next source capture

05

Owner experience

What repeats after the purchase

Owner evidence is retained as an installation, ignition, pan-fit, ventilation, cleaning and service checklist for Benchmark 30-Inch Gas Cooktop, not a cooking, emissions, failure or repair rate.

Reports are self-selected and span different fuels, conversions, pressures, regulators, connectors, counters, cabinets, cookware, food, hoods, make-up air, electrical work, cleaning and service regions. They cannot prove population cooking, simmer, speed, emissions, air quality, reliability, gas, fire, CO, electrical or repair outcomes.
SignalWhat owners reportOur readEvidence

nine-step valves, thermocouple monitoring, center burner, conversion and repair access

Self-selected owners and installers discuss nine-step valves, thermocouple monitoring, center burner, conversion and repair access. Fuel, pressure, conversion, countertop, cabinetry, cookware, cooking load, hood, make-up air, cleaning and service region vary, so the reports cannot establish population cooking, emissions, failure or repair rates.

Confirm nine-step valves, thermocouple monitoring, center burner, conversion and repair access on the installed exact model before treating the owner discussion as relevant.

1 evidence record
06

Sources

Why we believe the current view

The page separates what a source states directly from what we conclude across sources.

01
Benchmark 30-Inch Gas Cooktop current manufacturer identityBosch · identity

Bosch identifies NGMP059UC as a 30-inch Benchmark flame-monitored cooktop. Five sealed burners use nine-level valves, continuous grates and thermocouple flame monitoring in a deeper rough-in box than some value platforms

Source type
manufacturer
Content hash
613d6862cd82221f
Use
store excerpt
Open Bosch
02
Benchmark 30-Inch Gas Cooktop current exact-model priceBosch · price

$2,149 current U.S. manufacturer price. Appliance-only reference before tax, delivery, countertop or cabinet work, gas and electrical work, LP conversion, regulator or connector scope, hood, make-up air, permits, installation and service plan; confirm exact E-number or revision, stock, return terms and authorized U.S. support.

Source type
manufacturer
Content hash
289ba36e236a435a
Use
store snapshot
Open Bosch
03
Benchmark 30-Inch Gas Cooktop current specification and installation materialBosch · specification

The current installation material specifies a two-inch-high by 28 15/16-inch-wide by 19 1/8-inch-deep cutout; the regulator, clamps, counter support and any under-counter oven need exact coordination Five positions total a claimed 43,750 BTU on natural gas with an 18,050-BTU center and OptiSim; LP ratings and pan outcomes differ A qualified installer must match natural gas or the exact supported LP conversion, inlet and manifold pressure, regulator direction, shutoff, rigid supply and approved connector, follow permitted pressure and leak-test procedures without a flame and commission ignition and flame at every burner. If gas is smelled or ignition is delayed, stop use, avoid switches and flames, leave the area and follow the gas supplier or emergency authority instructions. Use the exact grounded 120 V branch or receptacle stated by the manual, never an extension cord and never defeated grounding. Electronic ignition, re-ignition, flame monitoring, lights and griddles can change behavior during an outage, so use only the exact model's documented outage procedure and close the gas shutoff before qualified service.

Source type
support
Content hash
44ec73a27e687f4c
Use
store excerpt
Open Bosch
04
Benchmark 30-Inch Gas Cooktop support, cleaning and serviceBosch · software

Physical knobs and monitored electronic ignition remain local and account-free; flame monitoring is a device boundary, not a promise against every gas or ignition hazard Retain regulator and LP conversion components, clean thermocouple and burner areas carefully and confirm service access, warranty exclusions, parts and recalls

Source type
support
Content hash
9b3bafae1d546938
Use
store excerpt
Open Bosch
05
Current gas-cooktop laboratory ratingsConsumer Reports · specification

Consumer Reports retains current gas-cooktop tests including Bosch platforms and separates laboratory burner control from owner-survey reliability. This evidence informs the NGMP059UC comparison without promising the installed result.

Source type
editorial
Content hash
0310b083c6c6b225
Use
store excerpt
Open Consumer Reports
06
NGMP059UC bounded owner and installer discussionsGas-cooktop and rangetop owners and installers · consensus

Self-selected owners and installers discuss nine-step valves, thermocouple monitoring, center burner, conversion and repair access. Fuel, pressure, conversion, countertop, cabinetry, cookware, cooking load, hood, make-up air, cleaning and service region vary, so the reports cannot establish population cooking, emissions, failure or repair rates.

Source type
community
Content hash
90478f9eb105bb52
Use
store excerpt
Open Gas-cooktop and rangetop owners and installers
07
Current gas-cooktop testing and ratingsConsumer Reports · consensus

Consumer Reports compares high- and low-heat control and ease of use under controlled conditions and keeps laboratory results separate from brand reliability surveys. A category method does not establish an untested exact model's result.

Source type
editorial
Content hash
13efd117582cf48d
Use
store excerpt
Open Consumer Reports
08
Gas-stove nitrogen-dioxide exposure reductionU.S. Environmental Protection Agency · specification

EPA identifies gas cooking as an indoor nitrogen-dioxide source and recommends correct adjustment plus an exhaust fan vented outdoors. This is risk-reduction guidance, not proof that a particular hood or kitchen produces safe air.

Source type
editorial
Content hash
0a0941f544f68d14
Use
store excerpt
Open U.S. Environmental Protection Agency
09
Residential carbon-monoxide alarms and gas-appliance safetyU.S. Consumer Product Safety Commission · specification

CPSC says never use a gas cooking appliance for heating and recommends battery-operated or battery-backup CO alarms on every level and outside sleeping areas. Alarms do not replace correct installation, combustion or ventilation.

Source type
editorial
Content hash
9b9be11af7586c3b
Use
store excerpt
Open U.S. Consumer Product Safety Commission
10
Current recall lookupU.S. Consumer Product Safety Commission · consensus

Check the exact model, serial and revision against current manufacturer and CPSC recall records before purchase and during ownership. A search with no match does not guarantee that no future or differently scoped action will apply.

Source type
editorial
Content hash
5e9485a5429d96ca
Use
store excerpt
Open U.S. Consumer Product Safety Commission
11
800 Series 30-Inch Gas Cooktop defended alternativeBosch · alternative

800 Series 30-Inch Gas Cooktop is the premium 30-inch FlameSelect cooktop alternative at $1,749 current U.S. manufacturer price.

Source type
manufacturer
Content hash
698aaff13b114d52
Use
store excerpt
Open Bosch
12
Benchmark 36-Inch Gas Cooktop defended alternativeBosch · alternative

Benchmark 36-Inch Gas Cooktop is the 36-inch Benchmark flame-monitored cooktop alternative at $2,249 current U.S. manufacturer price.

Source type
manufacturer
Content hash
dbf36214a13f103c
Use
store excerpt
Open Bosch

Manufacturer identity, exact current U.S. price and configuration, current specification and installation material, support, independent editorial or testing and bounded owner evidence were checked on August 21, 2026. This universe covers complete current U.S.-supported built-in residential gas cooktops and rangetops and excludes full ranges, portable burners, induction and radiant cooktops, commercial-only equipment, unsupported imports, retired or used-only products, package rebadges and duplicates created only by finish, knob, handle, natural-gas or LP suffix. Preserve the exact model and revision; cooktop versus deep rangetop architecture; finished cutout, counter thickness and material, edge distances, support, cabinet face, drawers, approved oven combinations, combustible clearances, back trim and service access; width, burner count and location, dual-ring, Star, OptiSim, ExtraLow and flame-monitoring design, grates, seams, pan and handle clearance, wok support and electric griddle geometry; factory gas, exact supported LP conversion, inlet and manifold pressure, regulator, orifices and shutters, accessible shutoff, rigid supply, approved connector, pressure and leak test; grounded electrical supply, ignition, re-ignition, flame monitoring, lights, griddle and outage behavior; outdoor hood capture over front and rear burners, airflow at installed static pressure, duct, termination, sound, make-up air, other combustion appliances, CO alarms and local code; physical local controls and any account, app, network, telemetry, update, cloud or offline boundary; cooled cleaning of grates, caps, heads, ports, pedestals, igniters, thermocouples, stainless or porcelain base, knob panel, griddle and grease path; warranty, registration, parts, conversion exclusions, servicer geography, cabinet protection and exact-model recall checks. Burn, hot-surface, pan-handle, grease-fire, gas-leak, delayed-ignition, flash, combustion, carbon-monoxide and electrical hazards remain. No BTU, burner, simmer, speed, emission, air-quality, safety, cleaning, reliability or repair outcome is guaranteed.

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