The HONEYWELL SV9520M2536 1/2X1/2 24V DHSI SMART VLVE is a high-quality, efficient valve designed for heating and cooling systems. With its smart technology and precise voltage control, it ensures optimal performance and energy savings, providing a reliable and cost-effective solution for your HVAC needs.

The SV9520 SmartValve System Control integrates gas flow regulation and electronic burner ignition sequencing in a compact unit. It features a 120V hot surface igniter for reliable flame ignition and controls gas flow, ignition, and a 120V combustion air blower. The system monitors the airflow proving switch circuit and limit string to ensure safe operation. With prepurge, postpurge, multiple ignition trials, and auto-reset lockout, it enhances safety and performance. A diagnostic LED provides real-time system status for easy troubleshooting.

Specifications:

Features:

• The control communicates directly with the ST9160 Electronic Fan Timer (EFT) in typical forced warm air furnace applications
• It will also interface with the 208907 Terminal Board, providing compatibility with power-stealing thermostats. Or, it directly interfaces with the appropriate power supplies and a system thermostat for additional appliance applications
• When controlled directly by a thermostat, the control does not provide a postpurge function, as power to the control is removed when the thermostat call for heat ends
• This system is suitable for a wide range of fan-assisted combustion, gas-fired appliances including furnaces, rooftop furnaces, boilers, unit heaters, infrared heaters, water heaters and commercial cooking appliances