protected by 4-1/2 inch high-temperature fiberglass insulation rated for professional-grade durability

though it may also be found on the outdoor condenser coil in heat pump applications

the switch performs its safety function by cutting power to the gas valve

allowing for dependable operation in harsh conditions

Resideo L4081B1096 Control 326058-757 protected by 4-1/2 inch high-temperatureThe Resideo L4081B1096 Aquastat Controller is a high performance immersion style dual limit control engineered for gas or oil fired hydronic heating systems. As a critical component for boiler water temperature regulation, it features two independent SPST snap action switches driven by a single liquid filled sensing element. This High Low Limit and Circulator Aquastat provides a high limit operating range of 130F to 240F and a low limit circulator