This PT1000 RTD temperature sensor delivers reliable temperature monitoring for solar water heater collector systems. Featuring a durable stainless steel construction, it's designed to withstand outdoor and rooftop installations while providing stable, repeatable readings essential for optimal solar thermal performance. The sensor includes a 24-inch two-wire flying lead for straightforward connection to compatible solar controllers. Built to Class B specifications, this platinum RTD operates effectively across a temperature range of -50°C to 105°C and carries an IP67 rating for environmental protection. The package includes a professional-grade sensor that helps maintain proper pump control and system efficiency. Backed by a 12-month warranty with USA-based support from Wholesale Sensors, this replacement probe ensures accurate temperature measurement critical for your solar system operation. Before purchase, please verify your controller requires a PT1000 1000 ohm RTD sensor.