Resideo L4080B1352 Aquastat Controller 320734-701 providing a 4-inch intake connection

providing a 4-inch intake connection to pull fresh air from the exterior

Proper alignment within the furnace blower compartment is vital to prevent mechanical rubbing and ensure the direct drive blower operates at peak efficiency

Does this system require a separate power source

and low-pressure air velocity applications

Resideo L4080B1352 Aquastat Controller 320734-701 providing a 4-inch intake connectionThe Resideo L4080B1352 Aquastat Controller is a high limit immersion protective device designed specifically for hydronic heating systems. As a veteran grade boiler control, this unit triggers a break in the electrical circuit upon a temperature rise to the setpoint, preventing overheating by shutting down the burner. It features a technical operating range of 100F to 200F (38C to 93C) with a fixed 8F (4. 4C) differential to ensure stable cycling.