non-pressurized solar water heater

例句：

1. 1.Our new non-pressurized solar water heater is more efficient than the old one.
   我们的新款非压力太阳能热水器比旧款更高效。
2. 2. The solar water heater is a great way to save energy and reduce our carbon footprint.
   太阳能热水器是节约能源和减少碳足迹的好方法。
3. 3. The non-pressurized design of this solar water heater ensures that it can be used even in areas with low water pressure.
   这款太阳能热水器的非压力设计确保了即使在水压较低的地区也能使用。