The Problem
Venting combustion gas is a life-safety application that can have severe consequences when failures occur. Historically, due to a lack of certified venting products, plastic products manufactured to plumbing standards have been accepted to vent gas-fired appliances. Despite proper installations, it is still commonplace to see these plumbing products fail in the field as plumbing standards do not qualify products for the conditions a venting system will experience.
The Solution
Through the use of application-specific product standards, such as UL 1738, which is designed specifically for gas-fired appliance venting systems, unlisted plumbing products are replaced with certified and listed venting systems. UL 1738 listed venting systems are qualified through more than 50 different material and system performance tests to ensure the venting system is suitable for use throughout the entire lifespan of the venting system.
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