Putzmeister Spare Parts Temperature transmitter 70°C 278493009 98590462

This Putzmeister temperature transmitter, part number 278493009, is the direct replacement for earlier reference 98590462. It’s a dedicated monitoring component designed for concrete pump hydraulic systems, triggering at a set 70°C threshold .

The unit comes with an M14 x 1.5 thread, making it a straightforward swap for the original sensor in the hydraulic oil cooler circuit or tank . It’s a compact, lightweight piece at about 0.05 kg, built to handle the vibration and heat cycles typical of a jobsite environment .

This is a genuine OEM-spec part, engineered to the same standards as the original factory equipment. Aftermarket alternatives often miss the mark on calibration, but this one maintains the precise 70°C set point required for proper thermal management .

The transmitter uses a standard dual-pin connector for a reliable, weather-resistant electrical hookup. Remember to clean the mating surface and use a fresh sealing washer during installation to prevent leaks .

Order using either ID to ensure you get the correct 70°C unit for your Putzmeister boom or trailer pump, avoiding generic auto parts that will not match the response curve of your machine’s controller .