In 2012, 2.3 million toilets in the United States, and about 9,400 in Canada, were recalled due to faulty pressure-assist flush mechanisms which put users at risk of the fixture exploding.
2012年，在美国有230万个马桶，在加拿大有9400个马桶由于其助压冲水机制可能导致爆炸而被召回。