Resideo AM102C1070-US-1LF Valve Els PW 17895 then use a backup wrench

then use a backup wrench to tighten an additional 1/6 turn to provide the necessary crush seal without over-torquing

The York S1-025-30877-000 is an OEM electric heating element engineered for high-performance thermal transfer within Source 1 heat kits

it eliminates guesswork during emergency repairs

This assembly is standard for units manufactured beginning with serial number E05H00176040

Resideo AM102C1070-US-1LF Valve Els PW 17895 then use a backup wrenchThe Resideo AM102C1070 US 1LF is a lead free thermostatic mixing valve designed for precision temperature control in high flow domestic water systems and radiant floor heating applications. Constructed with a 1 inch union sweat connection, this professional grade valve provides an adjustable temperature range of 70F to 120F, making it a critical component for preventing scalding while maximizing hot water heater capacity. This model is the direct