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3G Electric
HONEYWELL HOME L4006A1959 Single Function Immersion Controller
HONEYWELL HOMESingle Function

HONEYWELL HOME L4006A1959 Single Function Immersion Controller

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
L4006A1959 Single Function Immersion Controller
Part Number
L4006A1959
Category
Single Function
Available to Order
Also known as:L4006A1959HONEYWELL HOME
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

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

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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.

Frequently Asked Questions

What is the Honeywell Home L4006A1959 immersion controller used for?

The Honeywell Home L4006A1959 is a single-function immersion controller used for high-limit applications in hydronic heating systems. It monitors water temperature and shuts down the burner if the temperature exceeds the 180°F maximum setpoint, preventing overheating and system damage.

What are the specifications of the Honeywell Home L4006A1959?

The Honeywell Home L4006A1959 has a 40°F minimum and 180°F maximum temperature range, a fixed 2°F differential, and vertical mounting orientation. It includes one switch and an auto/manual switch. The controller is designed for horizontal or vertical installation and is rated for high-limit applications.

Where to buy the Honeywell Home L4006A1959 worldwide?

3G Electric supplies the Honeywell Home L4006A1959 immersion controller to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this high-limit controller.

How to install the Honeywell Home L4006A1959 immersion controller?

Install the Honeywell Home L4006A1959 vertically in a well or immersion socket in the hydronic system piping. Ensure the sensing bulb is fully immersed in the fluid. Wire the controller per the wiring diagram, connecting the auto/manual switch as needed. Always follow local codes and the manufacturer's instructions.

Used in

Common applications for HONEYWELL HOME
Commercial rooftop units — Honeywell Home VR8345K4809 dual-stage gas valve for direct spark ignition
Industrial boilers — Honeywell Home L6006A1145 immersion controller for high-limit and circulator control
Hydronic heating systems — Honeywell Home L4081B1047 circulator/high-limit controller with millivolt switching
Radiant floor heating — Honeywell Home L7224U1002 dual-function controller for high and low limit protection
Gas-fired furnaces — Honeywell Home VR8345M4302 single-stage gas valve for intermittent pilot ignition
Steam boilers — Honeywell Home L6081A1036 high/low limit controller with fixed differential
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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.

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