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Bosch · RGM8658UC

800 Series 36-Inch Gas Rangetop

Six sealed burners, a front bullnose control panel, commercial-depth chassis and continuous dishwasher-rated grates require cabinetry and hood capture distinct from a shallow drop-in cooktop. Use the current 36-inch rangetop installation guide for the 24-inch-deep class opening, front support, side panels, rear clearance, regulator, gas and electrical recess and any backguard
Market statusCurrent 36-inch six-burner professional rangetopChecked Aug 21
Reference price$4,049 current U.S. manufacturer priceExact RGM8658UC current U.S. manufacturer reference
Product cyclecurrentRelease history under review
EvidenceWell supported6 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 $4,049 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

$4,049 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

36-inch deep professional-style rangetop. Six sealed burners, a front bullnose control panel, commercial-depth chassis and continuous dishwasher-rated grates require cabinetry and hood capture distinct from a shallow drop-in cooktop
Checked 3 days agoOur synthesis3 evidence items

Cutout, counter, support and clearances

Use the current 36-inch rangetop installation guide for the 24-inch-deep class opening, front support, side panels, rear clearance, regulator, gas and electrical recess and any backguard
Checked 3 days agoOur synthesis3 evidence items

Burners, grates, pans and griddle geometry

Six burners total a claimed 77,000 BTU on natural gas, including an 18,000-BTU dual-flame position and OptiSim; simultaneous pan fit and hood capture matter more than total input alone
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

Six front knobs provide local account-free control; electric ignition and any flame-safety behavior must be commissioned with the exact revision and grounded 120 V supply
Checked 3 days agoOur synthesis3 evidence items

Cleaning, service, parts and recall check

The deep chassis, heavy grates, six burner assemblies, regulator and ignition system need front or below access, exact cleaning, specialist parts, warranty and recall review
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 36-inch six-burner professional rangetop

800 Series 36-Inch Gas Rangetop is retained when its exact 36-inch deep professional-style rangetop, six sealed burners, a front bullnose control panel, commercial-depth chassis and continuous dishwasher-rated grates require cabinetry and hood capture distinct from a shallow drop-in cooktop 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 800 Series 36-Inch Gas Rangetop is worth

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

01ownership

Thermador

Pro 36-Inch Six-Burner Gas Rangetop

$4,999 current U.S. recommended retail price
Best fit
36-inch six-Star-burner professional rangetop
Tradeoff
36-inch deep professional rangetop; Six Star burners, two ExtraLow positions, continuous grates, front controls and LED downlighting provide a wide all-burner field without an integrated griddle
Open the source
02premium

Thermador

Pro 36-Inch Gas Rangetop with Griddle

$5,049 current U.S. recommended retail price
Best fit
36-inch four-burner rangetop with electric griddle
Tradeoff
36-inch deep professional rangetop; Four Star burners share the surface with a 12-inch thermostatically controlled electric griddle, changing pan capacity, electrical load, cleaning and ventilation from PCG366W
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

    800 Series 36-Inch Gas Rangetop 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. $4,049 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 800 Series 36-Inch Gas Rangetop, 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

deep cabinet, six-pan field, grate handling, ignition, ventilation and specialist service

Self-selected owners and installers discuss deep cabinet, six-pan field, grate handling, ignition, ventilation and specialist service. 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 deep cabinet, six-pan field, grate handling, ignition, ventilation and specialist service 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
800 Series 36-Inch Gas Rangetop current manufacturer identityBosch · identity

Bosch identifies RGM8658UC as a 36-inch six-burner professional rangetop. Six sealed burners, a front bullnose control panel, commercial-depth chassis and continuous dishwasher-rated grates require cabinetry and hood capture distinct from a shallow drop-in cooktop

Source type
manufacturer
Content hash
f11e8d3b4120ec79
Use
store excerpt
Open Bosch
02
800 Series 36-Inch Gas Rangetop current exact-model priceBosch · price

$4,049 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
c29f2fadb30be557
Use
store snapshot
Open Bosch
03
800 Series 36-Inch Gas Rangetop current specification and installation materialBosch · specification

Use the current 36-inch rangetop installation guide for the 24-inch-deep class opening, front support, side panels, rear clearance, regulator, gas and electrical recess and any backguard Six burners total a claimed 77,000 BTU on natural gas, including an 18,000-BTU dual-flame position and OptiSim; simultaneous pan fit and hood capture matter more than total input alone 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
b9a07d7c9f5b9bfc
Use
store excerpt
Open Bosch
04
800 Series 36-Inch Gas Rangetop support, cleaning and serviceBosch · software

Six front knobs provide local account-free control; electric ignition and any flame-safety behavior must be commissioned with the exact revision and grounded 120 V supply The deep chassis, heavy grates, six burner assemblies, regulator and ignition system need front or below access, exact cleaning, specialist parts, warranty and recall review

Source type
support
Content hash
55bbcc66608447f1
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 RGM8658UC comparison without promising the installed result.

Source type
editorial
Content hash
d59e0522fd5b8ebf
Use
store excerpt
Open Consumer Reports
06
RGM8658UC bounded owner and installer discussionsGas-cooktop and rangetop owners and installers · consensus

Self-selected owners and installers discuss deep cabinet, six-pan field, grate handling, ignition, ventilation and specialist service. 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
beabd345eb00bd01
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
Pro 36-Inch Six-Burner Gas Rangetop defended alternativeThermador · alternative

Pro 36-Inch Six-Burner Gas Rangetop is the 36-inch six-Star-burner professional rangetop alternative at $4,999 current U.S. recommended retail price.

Source type
manufacturer
Content hash
5cbde0b3e303145c
Use
store excerpt
Open Thermador
12
Pro 36-Inch Gas Rangetop with Griddle defended alternativeThermador · alternative

Pro 36-Inch Gas Rangetop with Griddle is the 36-inch four-burner rangetop with electric griddle alternative at $5,049 current U.S. recommended retail price.

Source type
manufacturer
Content hash
7d87d458314c2b70
Use
store excerpt
Open Thermador

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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