Raypak 003765F Sensor Well Temperature Immersion Well Replacement Part

The Raypak 003765F Sensor Well is a genuine OEM replacement component designed for use with Raypak pool, spa, and hydronic heating systems. The sensor well provides a protective housing for temperature sensors, allowing accurate water or fluid temperature measurement without direct sensor contact with the circulating fluid.

Key Features:

• Genuine Raypak OEM replacement part — ensures proper fit and function
• Designed to house temperature sensors securely within the heating system plumbing
• Protects the sensor element from direct fluid exposure while maintaining accurate thermal readings
• Compatible with Raypak pool heaters, spa heaters, and hydronic boiler systems
• Durable construction built to withstand the operating temperatures and pressures of Raypak heating equipment
• Direct drop-in replacement — no modifications required

The sensor well (also referred to as a thermowell or immersion well) is a critical component in maintaining reliable temperature control in Raypak heating systems. Replacing a damaged or corroded sensor well helps restore accurate temperature sensing and ensures optimal heater performance. Always verify compatibility with your specific Raypak model before installation.