We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

HONEYWELL HOME Immersion Controller: High Limit/Low Limit, 40°F Min, 180°F Max, Horizontal/Vertical - Single Function

HONEYWELL HOMESingle Function

HONEYWELL HOME Immersion Controller: High Limit/Low Limit, 40°F Min, 180°F Max, Horizontal/Vertical

The Honeywell Home L4006A1959 is a single-function immersion controller designed for high-limit applications. It features a fixed 2°F differential temperature, vertical mounting orientation, and includes an…

SKU 3G-OTH-69832

Brand

HONEYWELL HOME

Item

Immersion Controller: High Limit/Low Limit, 40°F Min, 180°F Max, Horizontal/Vertical

Category

Single Function

Available to Order

Trade pricing by quote — replies within 24h

Qty

WhatsApp an engineer

No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.

Create free account →Log in

Worldwide Shipping

Air & sea freight

Datasheet on Request

Technical specs

1-Day Quote

Replies within 24h

Technical Specifications

HONEYWELL HOME

Manufacturer Part Number

L4006A1959 

Type

40°F Min, Horizontal/Vertical 

Max

180°F 

Switch

1

Application

High Limit 

Mounting Orientation

Vertical 

Differential Temperature

2°F Fixed 

Auto/Manual Switch Included

Yes

View Full Spec Sheet

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

HONEYWELL HOME Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Honeywell Home L4006A1959 is a single-function immersion controller designed for high-limit applications. It features a fixed 2°F differential temperature, vertical mounting orientation, and includes an auto/manual switch. This controller operates within a 40°F to 180°F range and is configured for horizontal or vertical installation with one switch.

Used in

Common applications for HONEYWELL HOME

Residential HVAC — Honeywell Home TH115-A-120S/U thermostat for 7-day programmable temperature control in homes.

Light commercial buildings — Honeywell Home TL8230A1003 line-voltage thermostat for electric heating systems in offices.

Hydronic heating systems — Honeywell Home L4006E1117 immersion controller for high-limit temperature regulation in boilers.

Indoor air quality monitoring — Honeywell Home C7263A1008 air quality sensor for gas analysis in commercial facilities.

Furnace control — Honeywell Home ST9120U1011 timer controller for circulating fan timing in integrated furnace systems.

HVAC switching — Honeywell Home RA889A1001 switching relay for 24V AC control of zone valves or dampers.

HONEYWELL HOME Products

3G Electric supplies HONEYWELL HOME single function. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all HONEYWELL HOME products →Contact our engineers →

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description

Immersion Controller: High Limit, 100°F Min, 240°F Max, Horizontal/Vertical, 1 Switch, Breaks (MPN L4006E1117). Key specifications — Application: High Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L4006E1117; Mounting Orientation: Vertical.

Immersion Controller: High Limit, 130°F Min, 240°F Max, Horizontal, 5 Switch, Line Volt/Low Volt (MPN L8124L1011). Key specifications — Application: High Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L8124L1011; Differential Temperature: 10°F to 25°F Adjustable (Low Limit); Mounting Orientation: Horizontal.

Immersion Controller: High Limit/Low Limit, 130°F Min, 240°F Max, Horizontal/Vertical, 3 Switch (MPN L7224U1002). Key specifications — Application: Low Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L7224U1002; Differential Temperature: 10°F to 25°F Adjustable (Low Limit); Mounting Orientation: Vertical.

Immersion Controller: High Limit/Low Limit, 100°F Min, 240°F Max, Horizontal/Vertical, 1 Switch (MPN L4008A1015). Key specifications — Application: High Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L4008A1015; Differential Temperature: 5°F to 30°F Adjustable; Mounting Orientation: Horizontal.

Immersion Controller: High Limit, 130°F Min, 240°F Max, Vertical, 4 Switch, Low Volt, 130°F to 240°F (MPN L8124G1020). Key specifications — Application: High Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L8124G1020; Differential Temperature: 10°F to 25°F Adjustable (Low Limit); Mounting Orientation: Vertical.

Immersion Controller: High Limit, 130°F Min, 240°F Max, Vertical, 3 Switch, Low Volt, 130°F to 240°F (MPN L8124E1016). Key specifications — Application: High Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L8124E1016; Differential Temperature: 10°F to 25°F Adjustable (Low Limit); Mounting Orientation: Vertical.

More from HONEYWELL HOME

View all HONEYWELL HOME parts →

Immersion Controller: High Limit/Low Limit, 100°F Min, 240°F Max, Horizontal/Vertical, 1 Switch (MPN L4006A1017). Key specifications — Application: Low Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L4006A1017; Differential Temperature: 5°F to 30°F Adjustable; Mounting Orientation: Vertical.

Immersion Controller: High Limit/Low Limit, 100°F Min, 240°F Max, Horizontal, 1 Switch, Millivolt (MPN L4006A2007). Key specifications — Application: Low Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L4006A2007; Differential Temperature: 5°F to 30°F Adjustable; Mounting Orientation: Horizontal.

Immersion Controller: High Limit, 180°F Min, 240°F Max, Vertical, 6 Switch, Line Volt/Low Volt (MPN L8148E1265). Key specifications — Application: High Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L8148E1265; Differential Temperature: 15°F Fixed; Mounting Orientation: Vertical.

Circulator Controller: Circulator, 100°F Min, 240°F Max, Horizontal/Vertical, 1 Switch, Millivolt (MPN L4008B1013). Key specifications — Application: Circulator; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L4008B1013; Differential Temperature: 5°F to 30°F Adjustable; Mounting Orientation: Vertical.

Aquastat Controller: High Limit, 100°F Min, 240°F Max, Horizontal/Vertical, Millivolt, Breaks (MPN L4008E1305). Key specifications — Application: High Limit; Brand: HONEYWELL HOME; Manufacturer Part Number: L4008E1305; Differential Temperature: Manual Reset; Mounting Orientation: Vertical.

High Limit Controller: High Limit, 130°F Min, 270°F Max, Horizontal/Vertical, 1 Switch, Millivolt (MPN L4006E1091). Key specifications — Application: High Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L4006E1091; Mounting Orientation: Vertical.

Immersion Controller: High Limit, 100°F Min, 200°F Max, Vertical, 1 Switch, Millivolt, Breaks (MPN L4080B1352). Key specifications — Application: High Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L4080B1352; Differential Temperature: 8°F Fixed; Mounting Orientation: Vertical.

Immersion Controller: High Limit, 120°F Min, 240°F Max, Horizontal/Vertical, 8 Switch, Low Volt (MPN L8148J1009). Key specifications — Reset Type: Automatic/Manual Reset; Application: High Limit; Auto/Manual Switch Included: Yes; Brand: HONEYWELL HOME; Manufacturer Part Number: L8148J1009; Differential Temperature: 8°F Fixed; Mounting Orientation: Horizontal.