Resideo L4008E1305 Temperature Control 320734-701 the 903406 assembly provides a

the 903406 assembly provides a direct-fit solution for maintaining HVAC furnace performance without the need for manifold modifications

Featuring a robust 1-inch NPT connection and an aluminum body

Always verify the condition of the sensor wire and ceramic insulator when replacing the control to prevent immediate feedback errors

Is the SFD-27S9-VV bidirectional

While designed for a 240V nominal rating

Resideo L4008E1305 Temperature Control 320734-701 the 903406 assembly provides aThe Resideo L4008E1305 is a high limit remote bulb immersion controller designed for hydronic heating systems requiring critical over temperature protection. This SPST aquastat features a manual reset mechanism, ensuring the system remains offline for inspection if the high limit threshold is breached. With an operating temperature range of 100 240F and a fixed high limit stop at 240F, this unit provides precise thermal management for boilers and