For contractors performing a control module replacement

Common Questions: Is this board compatible with my existing remote thermostat

Replacement is necessary if you observe visible rust

Versatile Coil Input: Compatible with both 24VAC and 24VDC systems

Key Benefits High Current Capacity: Rated for 100A continuous and 400A inrush

Siemens Building Technology VVP45.15-2.5 Valve 320788-703 For contractors performing a controlThe Siemens Building Technology VVP45. 15 2. 5 Valve is a 3 4" 2W 2. 9cv zone valve engineered for precision water side control in closed circuit HVAC systems. As a veteran technician, you know that Siemens Acvatix series valves are the standard for terminal unit control in fan coils, induction units, and zone heating applications. This 2 port seat valve features a robust bronze body (CC499K) designed for a nominal pressure of PN 16, ensuring reliable