Constructed from high-carbon chrome steel

When you're dealing with a failing valve in an industrial or commercial setting

For contractors managing HVAC troubleshooting

The stainless steel spring provides reliable force for automatic reseating

Grundfos 00595444 Aquastat 323613-751 Constructed from high-carbon chrome steelThe Grundfos 00595444 Aquastat is a professional grade thermostatic control kit designed specifically for integration with Grundfos UP Series circulators. This 3 4 inch clip on aquastat is engineered to optimize hot water recirculation systems by managing pump cycles based on real time line temperatures. The surface mount sensor features a bi metallic disc that triggers the circulator to engage at 85F and cycle off once the temperature reaches 105F.