Yancheng Slong Machinery & Electric Co., Ltd. is one of the leading manufacturers and suppliers of silent residential backup generator designed for natural gas and propane power systems in China. With abundant experience, we warmly welcome you to wholesale durable products in stock here and get quotation from our factory. All customized products are with high quality and low price.
Silent Residential Backup Generator Designed for Natural Gas and Propane Power Systems
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20 kW Residential Natural Gas LPG Gasoline Generator Three-Fuel Low Noise Design
| Model | SL-JK8 | SL-JK12 | SL-JK17 | SL-JK18 | SL-JK20 |
| Fuel Type | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline | LPG & NG / Gasoline |
| Frequency (hz) | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 | 50 / 60 |
| Voltage (v) | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 | 220 120/240 |
| Gasoline(kw) | 8.0 / 8.5 | 12.0 /13.0 | 15.0 / 16.0 | 17.0 / 18.0 | 19.0 / 20.0 |
| LPG (kw) | 7.2 / 7.7 | 11.0 / 12.0 | 15.0 / 16.0 | 17.0 / 18.0 | 17.0 / 19.0 |
| NG (kw) | 6.5 / 7.0 | 10.0 / 11.0 | 14.0 / 15.5 | 15.0 / 17.0 | 15.0 / 17.0 |
| LPG consumption at 75% load (kg/h) | 2.14 | 3.34 | 3.76 | 3.79 | 3.81 |
| NG consumption at 75% load (m3/h) | 2.02 | 5.12 | 6.18 | 6.22 | 6.32 |
| Fuel Tank | 25 L | 50 L | 50 L | 50 L | 50 L |
| Noise level at 7m dB(A) | 69 | 69 | 69 | 69 | 69 |
| Starting system | Automatic Start | Automatic Start | Automatic Start | Automatic Start | Automatic Start |
| Displacement (cc) | 459 | 750 | 999 | 999 | 999 |
| Packing size (mm) | 1000 × 570 × 790 | 1320 × 730 × 1075 | 1320 × 730 × 1075 | 1320 × 730 × 1075 | 1320 × 730 × 1075 |
| Net / Gross weight (kg) | 169 / 180 | 310 / 335 | 327 / 352 | 327 / 352 | 327 / 352 |
| 20'ft / 40'hq | 66/ 138 | 24 / 54 | 24 / 54 | 24 / 54 | 24 / 54 |
Silent Residential Backup Generator Designed for Natural Gas and Propane Power Systems
🔇 Whisper-Quiet Performance for Home Use
Designed specifically for residential environments, the low-noise enclosure minimizes operating sound while delivering dependable standby power, making it ideal for homes, villas, and private properties.
🔥 Optimized for Natural Gas & Propane
Engineered to operate efficiently on Natural Gas (Methane) and LPG (Propane), providing homeowners with a clean, convenient, and cost-effective energy solution for long-term backup power.
⚡ Automatic Backup During Power Outages
Compatible with optional Automatic Transfer Switch (ATS) technology, enabling fast and seamless power restoration when utility power fails, helping keep essential household systems running.
🌧️ Outdoor-Rated and All-Season Ready
Featuring an IP43 weather-resistant enclosure, this generator is built for outdoor installation and reliable operation in varying weather conditions. Optional extreme-cold heating kits support startup in temperatures as low as -40°C.
📱 Smart Monitoring and Easy Ownership
Available with WiFi remote monitoring, SmartGen intelligent controls, automatic self-testing, and advanced protection functions. Manufactured by a generator specialist with 20 years of experience, supported by a 2-year warranty and lifetime technical assistance.
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