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- Natural gas or LPG, field-convertible
- RDC2 controller with OnCue Plus monitoring
- Built-in 2.5 A battery charger
- Programmable weekly or biweekly exerciser
- 181 mph wind-rated enclosure
- Rodent-resistant, sound-deadening enclosure
- cUL/UL 2200 listed, EPA compliant
- KOHLER 5-year/2000-hour Premium limited warranty
Ships by LTL freight. Too large for parcel delivery. Questions on freight? Call (888) 831-0450.
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The KOHLER 12RESV provides permanently installed standby power for your home. Connected to a suitable natural gas or LP fuel supply and a compatible automatic transfer switch, it starts when utility power fails and supports the circuits selected for backup.
Key features
- Automatic backup: Designed to work with a compatible automatic transfer switch for unattended outage response.
- Fuel flexibility: Natural gas or LP operation using a permanent fuel connection.
- Engine design: Air-cooled KOHLER engine in a protective outdoor enclosure.
- Generator control: RDC2 controller coordinates generator operation and compatible RXT transfer-switch functions.
- Service access: Oil drain extension with shutoff valve simplifies routine oil service.
- Outdoor enclosure: Steel enclosure with a protective finish.
Specifications
| Manufacturer | KOHLER |
|---|---|
| Model | 12RESV |
| Power class | 12 kW |
| Fuel | Natural gas / LP |
| Cooling | Air-Cooled |
| Rated output — natural gas | 11 kW |
| Rated output — LP | 12 kW |
| Frequency | 60 Hz |
| Controller | RDC2 Controller |
| Engine displacement | 725 cm³ (44 cu. in.) |
| Engine speed | 3600 rpm |
| Electrical configuration | 12RESV, Single-phase, 240V, UL/cUL |
| Line circuit breaker | 60 A |
| Generator dimensions | 30.6 in. x 28 in. x 32.4 in. (777 mm x 712 mm x 824 mm) |
Manufacturer SKU: 12RESV-QS8
Included equipment
Generator in the selected enclosure and configuration. Automatic transfer switch sold separately.
Installation and sizing
Match voltage, phase, fuel supply, and connected loads to the selected configuration. Output depends on fuel and operating conditions. Installation, fuel-system work, and transfer-switch connections require a qualified installer.
| Manufacturer | KOHLER |
|---|---|
| Model Number | 12RESV-QS8 |
| Standby Rating | 11 kW NG / 12 kW LPG |
| Rated Current | 45.8 A NG / 50 A LPG |
| Line Circuit Breaker | 60 A |
| Fuel Consumption 100% Load | NG 216 cfh, LPG 103 cfh |
| Shipping Weight | 433 lb (196 kg) |
| Fuel | Natural gas or LPG (field-convertible) |
| Voltage | 120/240 V, single-phase, 60 Hz |
| Engine | KOHLER KT725, 725 cc V-2 air-cooled, 3600 rpm |
| Controller | RDC2 with OnCue Plus |
| Enclosure | Steel, powder coat, 181 mph wind rating |
| Sound Level | 67 dB(A) exercise, 71 dB(A) full speed at 7 m |
| Fuel Inlet | 1/2 in NPT |
| Certifications | cUL/UL 2200, EPA |
| Dimensions (L x W x H) | 30.6 x 28 x 32.4 in (777 x 712 x 824 mm) |
| Warranty | 5-year/2000-hour Premium limited |
Specifications are from the manufacturer and may change. Questions? Call (888) 831-0450.
KOHLER 5-Year / 2000-Hour Premium Limited Warranty
| Coverage | parts, labor and travel for 5 years or 2000 hours, whichever occurs first |
|---|---|
| Use | stationary standby backup to a utility source in the US; mobile or non-standby use voids the warranty |
| Registration | startup by a KOHLER distributor/dealer registered via Kohler Power Assistant, else term runs from purchase date |
| Optional | 7-year and 10-year extended limited warranties available |
| How to claim | call 1-800-544-2444 or email Resi-warranty@kohler.com |
Manufacturer warranties are provided by the manufacturer. Keep your invoice as proof of purchase. Questions about a warranty claim? Call (888) 831-0450.