Slant Fin 412-705-040 Damper Assembly THPU32HP7Y This valve features a 7/8"

This valve features a 7/8" ODS (sweat) connection for standard copper tubing integration

which allows for fast

How do I test if this limit control is defective

It maintains the 3/4" MNPT connection and performance specs while meeting modern lead-free requirements for potable water systems

this OEM replacement burner ensures precise gas-to-air ratios and uniform flame distribution across the heat exchanger cells

Slant Fin 412-705-040 Damper Assembly THPU32HP7Y This valve features a 7/8"The Slant Fin 412 705 040 is a heavy duty 5 inch automatic vent damper assembly engineered specifically for high efficiency hydronic heating systems. Designed as a direct replacement component, this motorized flue damper prevents standby heat loss by sealing the vent pipe when the burner is not firing, significantly improving the AFUE rating of the boiler. This assembly features a robust internal synchronous motor and built in safety interlock