This Robertshaw 24" mechanical thermostat (part #275-3263-00) is a precision temperature control sensor designed for spa and hot tub systems. The unit features a 24-inch capillary tube with a 5/16-inch sensing bulb, providing accurate temperature monitoring and control for your spa's heating system. This OEM-quality replacement addresses common spa issues including heating problems, inconsistent temperatures, and system overheating.
As Canada's spa parts authority, Bubbles Supply guarantees this thermostat is an exact fit replacement backed by our comprehensive 1-year warranty. We ship same-day from our Canadian warehouse, getting your spa back to perfect operation fast. This mechanical thermostat offers reliable, non-electronic temperature control that won't fail during power fluctuations. Professional installation recommended – ensure proper capillary tube positioning and secure mounting for optimal performance and safety.