The ASCO 8040H6 is a professional-grade 2-way normally closed solenoid valve engineered for fuel gas service in residential and commercial combustion systems

Integrating this Hydrolevel 45-558 into your hydronic loop provides critical fail-safe protection for high-value heating equipment

it fits easily into tight furnace cabinets where space is a premium

the UB591 is built to handle 40°C ambient temperatures

Common Questions What is the maximum operating temperature for the Dwyer 1823-00

Siemens Building Technology 599-02023 Valve 326058-757 The ASCO 8040H6 is aThe Siemens 599 02023 is an industrial grade 1 2 inch globe valve designed for precision fluid control in terminal unit applications. Featuring a Normally Closed (NC) configuration and a 2. 5 Cv flow coefficient, this valve is engineered with a modified equal percentage flow characteristic to ensure stable modulating control of hot water, chilled water, and glycol solutions up to 50%. The forged brass body is paired with stainless steel trim,