ZunShang ZS-01
Plate Heat Exchanger Type Gas-Fired Combi Boiler
This product features advanced European combustion and heat exchange technology, delivering high operational efficiency and low energy consumption—ideal for reliable, stable thermal output for both residential space heating and domestic hot water supply. Its large display screen provides clear visibility of real-time operating conditions, enabling intuitive and convenient daily operation and monitoring.
Equipped with a precision microcomputer control system, the unit includes built-in self-diagnostic fault detection to continuously monitor performance and enhance safety and maintenance convenience. Automatic switching between heating and domestic hot water modes ensures stable, constant-temperature hot water delivery for a more comfortable bathing experience.
Additionally, the unit integrates a three-speed automatic air venting system and a top-tier European circulation pump, improving overall operational stability and extending service life. Fully automatic control combined with comprehensive safety protection ensures dependable long-term operation—delivering efficient, comfortable, and hassle-free heating and hot water solutions for modern homes.
Category:
Gas-Fired Condensing Combi Boiler- Large display screen for clear, at-a-glance monitoring of operating status
- European combustion and heat exchange technology for high efficiency and low energy consumption
- Precise microcomputer control with self-diagnostic fault detection
- Automatic switching between space heating and domestic hot water modes for consistent, comfortable bathing
- Three-speed automatic air venting system and premium European circulation pump for extended service life
- Comprehensive, fully automatic safety protection for long-term reliable operation
| Parameter | LL1PB20-B | LL1PB24-B | LL1PB26-B | LL1PB28-B | LL1PB32-B | LL1PB40-B |
|---|---|---|---|---|---|---|
| Model | F3 | F3 | F3 | F3 | F3 | F3 |
| Rated Input Power (kW) | 20 | 24 | 26 | 28 | 32 | 40 |
| Rated Output Power (kW) | 18 | 21.6 | 23.5 | 25 | 28.8 | 36 |
| Thermal Efficiency (%) | ≥90 | ≥90 | ≥90 | ≥90 | ≥90 | ≥90 |
| Rated Voltage/Frequency/Power (V/Hz/W) | 220/50/120 | 220/50/120 | 220/50/120 | 220/50/120 | 220/50/120 | 220/50/120 |
| Gas Pressure (Pa) | Manufactured Gas: 1000 | Manufactured Gas: 1000 | Natural Gas: 2000 | Natural Gas: 2000 | Liquefied Petroleum Gas (LPG): 2800 | Liquefied Petroleum Gas (LPG): 2800 |
| Heating Water Temperature Adjustment Range (℃) | 30–80 | 30–80 | 30–80 | 30–80 | 30–80 | 30–80 |
| Domestic Hot Water Temperature Adjustment Range (℃) | 30–60 | 30–60 | 30–60 | 30–60 | 30–60 | 30–60 |
| Rated Hot Water Flow Rate (Δt = 25 K) (kg/min) | 8 | 9.5 | 10 | 11.5 | 13 | 16 |
| Domestic Hot Water Operating Pressure (MPa) | 0.02–0.8 | 0.02–0.8 | 0.02–0.8 | 0.02–0.8 | 0.02–0.8 | 0.02–0.8 |
| Heating System Operating Pressure (MPa) | 0.02–0.8 | 0.02–0.8 | 0.02–0.8 | 0.02–0.8 | 0.02–0.8 | 0.02–0.8 |
| Heating System Maximum Pressure (MPa) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Dimensions (H × W × D) (mm) | 710 × 410 × 245 | 740 × 410 × 245 | 740 × 410 × 315 | 740 × 410 × 315 | 740 × 410 × 330 | 740 × 510 × 330 |
| Weight (kg) | 30 | 33 | 33 | 37 | 38 | 41 |
| Pipe Connection Ports (G) | Heating Supply: 3/4 | Heating Return: 3/4 | Heating Return: 3/4 | Tap Water: 1/2 | Domestic Hot Water: 1/2 | Natural Gas: 3/4 |
| Flue Pipe Diameter Φ (Concentric) (mm) | Φ60/100 | Φ60/100 | Φ60/100 | Φ60/100 | Φ60/100 | Φ60/100 |
