Complete Installation Kit: Includes the 331709-797 TXV

The 35 Nm torque rating is generally rated for dampers up to 60 square feet

using this part with LP requires a specific manufacturer-approved conversion kit to ensure safe manifold pressure and burner performance

making it suitable for outdoor use or washdown environments where moisture protection is vital

Lochinvar & A.O. Smith 100376494 Gauge 340155-7026 Complete Installation Kit: Includes theThe Lochinvar & A. O. Smith 100376494 is a professional grade Temperature & Pressure (T&P) Gauge designed for precise monitoring in high demand hydronic and potable water systems. As the direct OEM replacement for the discontinued 100208153, this commercial water heater gauge provides critical real time diagnostics to ensure safe boiler operation. Featuring a dual scale interface, it delivers accurate pressure readings from 0 75 PSI and temperature