Honeywell L4006H1004 Single Function Immersion Controller

The Honeywell L4006H1004 is a single-function immersion controller used for high-limit applications in heating systems. It monitors temperature and shuts down the burner if the set point is exceeded, preventing overheating. Typical uses include boilers and hot water tanks where precise temperature control is critical.

The Honeywell L4006H1004 has a temperature range of 100°F to 240°F, supports vertical mounting orientation, and includes an auto/manual switch. It operates with one switch and uses millivolt power. This controller is designed for high-limit applications and is manufactured by Honeywell under part number L4006H1004.

You can source the Honeywell L4006H1004 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable supply for this Honeywell immersion controller.

Install the Honeywell L4006H1004 in a vertical orientation, ensuring the sensing bulb is fully immersed in the medium. Wire the millivolt controller according to the manufacturer's diagram, connecting the single switch to the high-limit circuit. Always follow local codes and use a qualified technician for installation to ensure safe operation.