As an energy limiting transformer

High Thermal Stability: Constructed to handle the extreme operating conditions of commercial-grade heating systems

specifically within gas-fired water heaters and air handler units

you will need to purchase a kit for each joint encountered

Conbraco 50-GB7-A1A Valve 30067439-890 As an energy limiting transformerThe Conbraco 50 GB7 A1A is a professional grade 1 1 2" Female NPT bronze gas shutoff valve engineered for high capacity commercial and industrial combustion systems. This 2 piece standard port ball valve is rated for low pressure gas applications at 1 2 PSI, delivering a massive flow capacity of up to 7,745,000 BTU hr. Designed for field reliability, it features a rugged bronze body construction and a tee handle for high torque manual operation in