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

ensuring the relief valve operates correctly under foul conditions

a sturdy thermometer post

It maintains the same form factor and scale range to ensure seamless mechanical integration

Siemens Building Technology 599-02023 Valve 326058-757 Integrating this Hydrolevel 45-558 intoThe 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,