The Waterproof Stem Thermometer M32 REGM32 is a durable replacement thermometer designed for use with the Therma-Flo FloCup system (REGM31). Offering a wide temperature range from -50°C to +150°C, it provides accurate and reliable readings for plumbing, heating, and industrial applications. Its waterproof design ensures dependable performance in demanding environments, making it ideal for professional temperature monitoring and system maintenance.