Kohler 12RESVL-100LC12 12kW Generator with 100A 12-circuit Transfer Switch

Kohler 12RESVL-100LC12 12kW Generator With 100A 12-Circuit Transfer Switch

The Kohler 12RESVL-100LC12 12kW Home Standby Generator delivers reliable, clean backup power with a compact footprint and an automatic 100A 12-circuit load-center transfer switch for essential-load coverage. Designed for today’s sensitive electronics and modern home systems, this generator provides clean, stable electricity with low harmonic distortion—perfect for safeguarding appliances, HVAC units, computers, and smart-home devices. Automatic weekly exercising, quiet performance, and a rugged steel enclosure make this generator a dependable, low-maintenance solution for long-term protection.

At the heart of the 12RESVL is Kohler’s Series 7000 KT725 V-twin OHV engine, engineered for strong air-cooled performance and simple fuel conversion between natural gas and LPG. As shown on pages 1–3 of the spec sheet, the RDC2 digital controller manages generator and transfer-switch functions, providing monitoring of voltage, frequency, engine temperature, oil pressure, battery health, and runtime hours. It includes programmable exercise modes, built-in Ethernet for OnCue® Plus remote monitoring, adjustable LCD contrast, and digital isochronous governing for precise output. Fuel consumption remains efficient, using only 6.1 m³/hr NG or 2.9 m³/hr LPG at 100% load (page 3).

This model includes a factory-matched 100A RXT load-center transfer switch with 12 circuit spaces, ideal for powering essential loads such as lights, refrigerators, furnaces, well pumps, sump pumps, and home electronics. The generator’s steel enclosure features e-coat corrosion protection, powder-coat finish, and a hinged locking roof for easy access. The enclosure meets the 181 mph wind rating (page 1) and uses UL 94 HF-1 flame-retardant sound-deadening foam. Quiet operation keeps noise levels to 67 dB during weekly exercise and 71 dB during full-speed operation (page 3). Kohler backs the 12RESVL with a 5-year limited warranty, ensuring long-term performance and durability.

Key Features

• 12kW standby power (natural gas or LPG)

• Includes 100A RXT 12-circuit load-center automatic transfer switch

• Kohler Series 7000 KT725 V-twin OHV engine

• RDC2 digital controller with full diagnostics and OnCue® Plus remote monitoring (pages 1 & 3)

• Clean, stable power with low THD for sensitive electronics

• Quiet operation: 67 dB (exercise), 71 dB (normal operation)

• Fuel-efficient performance: 6.1 m³/hr NG or 2.9 m³/hr LPG at full load

• Durable steel enclosure with powder-coat finish and 181 mph wind rating

• Hinged, locking roof and through-wall fuel/electrical connections

• Digital voltage regulation ±1.0% RMS from no-load to full-load

• Field-convertible natural gas/propane configuration

• UL 2200 listed; EPA-certified fuel system

• 5-year limited standby warranty