The Johnson Controls V-4440-1001 is a robust 1/2-inch pneumatic three-way brass valve assembly designed for precise HVAC terminal unit control

allowing for dependable operation in harsh conditions

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

the P20EB-1 is compatible with R-410A and other non-corrosive refrigerants

Reliable Actuation: The 63mm pilot operator ensures consistent performance under varying pressure conditions

Resideo L4081B1096 Control 326058-757 The Johnson Controls V-4440-1001 isThe 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