018853F | Raypak Temperature Sensor Limit For Avia 264A & 404A Raypak heater Protek sheild The TracVac’s dual rubber tracks

The TracVac’s dual rubber tracks and six-pattern steering allow smooth movement over drains and slopes

and ideal for energy-efficient pool operation

making it ideal for controlling

5" aluminum tubing resists sagging and delivers long-lasting support

18" Pool Brush – Helps Maintain Spotless Pool Appearance

018853F | Raypak Temperature Sensor Limit For Avia 264A & 404A Raypak heater Protek sheild The TracVac’s dual rubber tracksThe Raypak 018853F Temperature Sensor Limit Kit is a vital OEM safety component for Avia 264A and 404A gas fired heaters. This kit monitors temperature differentials to detect overheat or unsafe operating conditions, triggering shutdown or fault signals to protect the heater. Designed with precision sensors and temperature limit hardware, it helps maintain heater reliability, safety compliance, and proper performance under varying load and water flow