🌊 Dive into Comfort with Hayward! Transform your pool heating experience with this essential replacement part. Seamlessly replaces your old thermostat bulb well for optimal performance. Measuring just 13.72 x 3.05 x 2.16 cm, it fits perfectly in tight spaces. Manufactured by Hayward, ensuring reliability and longevity. Weighing only 4.54 grams, installation is a breeze. Compact dimensions Lightweight design Fits Hayward H-Series The Hayward HAXTBW1930 Thermostat Bulb Well is a high-quality replacement part designed specifically for Hayward H-Series millivolt electronic ED1 style pool heaters. Weighing just 4.54 grams and featuring compact dimensions, this durable component ensures a seamless fit and reliable performance, making it an essential upgrade for any pool owner.