Kohler Standby Generator 26KW 120/240V Single Phase 200A Automatic Transfer Switch and App Connect New - 26RCAL-200SELS
Popular generators for backup power, with an automatic transfer switch included. When you lose power during an outage or storm, a hard-working 26 kW KOHLER generator keeps your appliances working, the heat or AC running and your security system on.
KOHLER generators are designed to provide reliable power and are equipped with a heavy-duty, commercial-grade engine that stands up to harsh weather conditions. With the ability to power a 5-ton (60,000 BTU) air conditioner, major appliances, and electronics in just 10 seconds, these premium generators are backed by a 5-year, 2,000-hour warranty and have won awards, including the MVP Award 2010 by Building Products magazine.
What our Experts Think
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Turnkey whole‑home standby solution
The Kohler 26RCAL‑200SELS Standby Generator pairs a 26 kW generator with a 200 A service‑entrance automatic transfer switch, offering a complete backup system without separate purchases.
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Powerful performance for larger homes
With up to 26 kW on propane (24 kW on natural gas) at 120/240 V single‑phase, it can reliably support multiple HVAC units, appliances, lighting, and electronics during prolonged outages.
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Fast automatic response
Kohler standby systems start and restore power typically within ~10 seconds once utility power is lost, reducing downtime for essentials.
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Clean, stable power with PowerBoost
PowerBoost technology enhances motor starting (e.g., central A/C) without sagging, and premium voltage/regulation protects sensitive electronics.
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App‑connected remote monitoring
Built‑in KOHLER Energy Management App connectivity provides real‑time status updates and alerts on your mobile device.
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Service‑ready ATS with load management
The included RXT 200 A outdoor service‑entrance rated automatic transfer switch manages prioritized circuits and supports load shed for critical systems
Q&A
Q: How does it respond during a power outage?
A: It automatically starts and restores power in about 10 seconds when utility power fails, so essential systems continue running with minimal downtime.
Q: What power output and fuels does it support?
A: It delivers up to 26 kW on liquid propane (LP) and 24 kW on natural gas (NG) at 120/240 V single phase, running on either fuel with easy field switching.
Q: What does the automatic transfer switch do?
A: The included 200 A service‑entrance rated automatic transfer switch seamlessly transfers power between utility and generator and provides load management for HVAC and other circuits.
Q: Can I monitor the generator remotely?
A: Yes — the system supports Kohler’s Energy Management App (App Connect / OnCue® Plus) for real‑time status updates and alerts on your smartphone or tablet.
Q: Is it suitable for heavy loads like air conditioners?
A: Yes — PowerBoost technology enables it to start large loads such as central AC systems without dropping power to other circuits.
Q: Is the power quality safe for sensitive electronics?
A: It delivers premium voltage/frequency regulation with low harmonic distortion, protecting sensitive devices like computers and home automation systems.
Q: How durable and quiet is it?
A: The rugged aluminum enclosure resists weather, provides quiet operation similar to central HVAC units, and is engineered for long‑term reliability in outdoor environments.
Maintenance Tips
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Run scheduled exercise cycles: Program weekly or bi‑weekly auto run cycles via the RDC2 controller to keep the engine lubricated and ensure readiness during outages.
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Change fluids & filters on schedule: Replace oil, oil filter, and air filter per manufacturer intervals (also after extended outage runs); clean filters help protect the commercial‑grade engine.
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Check battery health: Keep the starting battery fully charged and terminals clean to ensure reliable automatic starts.
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Inspect fuel system: Regularly check natural gas/LPG lines, fittings, and valves for leaks or wear to maintain steady fuel delivery.
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Clean intake & enclosure: Remove dirt, leaves, and debris from vents and enclosure surfaces to support airflow and quiet operation.
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Verify ATS & electrical connections: Tighten and inspect the 200 A automatic transfer switch connections and wiring for corrosion or looseness.
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Use app alerts for proactive care: Monitor via Kohler Energy Management/App Connect for status updates, fault alerts, and maintenance reminders.
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Professional annual service: Schedule yearly inspection and service to check coolant (if applicable), governor settings, and ATS performance.
