Chemical Resistance: Resilient against pool water treatments

a T-4000 plastic cover is required for a complete finished look and must be ordered to match the specific aesthetic of the site

Always verify your bypass humidifier's model number before ordering

Verify the rod is engulfed in the flame and check for proper grounding between the burner and control board

utilizing high-quality internal materials to prevent premature ESR (Equivalent Series Resistance) buildup

McDonnell & Miller 157RD-1 Replacement Casting 30067439-890 Chemical Resistance: Resilient against poolThe McDonnell & Miller 157RD 1 Replacement Casting is a critical component for maintaining the integrity of 157RD Series low water cut off and pump controller units. This heavy duty replacement body allows technicians to restore a boiler water level control system without the expense of a full valve replacement. Designed for high pressure steam applications, this casting accommodates the dual switch mechanism used for low water cut off and pump