Ritchie O-Ring Package and Brass Nut Package for Fenwal Thermostat

The Ritchie Fenwal Thermostat Seal Kit (Single) combines one O-ring (#18320) and one brass nut (#18074) to create a tight, reliable seal for your Fenwal thermostat in larger Ritchie automatic waterers. This pairing helps prevent leaks around the thermostat opening while ensuring proper temperature control and efficient heater operation.

Designed for a precise fit, the O-ring creates a watertight seal while the brass nut securely holds the thermostat in place. Together, they provide a simple and effective solution for replacing worn or damaged parts and restoring your waterer’s performance.

Ideal for maintenance or quick repairs, this single set makes it easy to get exactly what you need without purchasing full packages.