This Raypak heater gas valve is essential for resolving ignition failures

Designed for compatibility with 4L

Non-Volatile Lockout: Ensures the system remains in a safe state following an unsuccessful ignition sequence until manually reset or power-cycled

allowing the system to resume normal operation after the thermal event has cleared

an AT150F series model should be used instead

Schneider Electric (Viconics) VZ7656E1031B Controller R-448A This Raypak heater gas valveThe Schneider Electric (Viconics) VZ7656E1031B Controller is a high performance programmable RTU controller designed for commercial zoning systems. Built specifically for 2 heat 2 cool rooftop units, this central controller utilizes a sophisticated PI proportional control algorithm to eliminate the temperature offsets common in standard differential based units. It streamlines complex HVAC automation by acting as a master device, capable of managing