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JOHNSON CONTROLS A-4000-120 Oil Indicator, 1/8 in NPT, Brass - Oil Indicators
JOHNSON CONTROLSOil Indicators

JOHNSON CONTROLS A-4000-120 Oil Indicator, 1/8 in NPT, Brass

The JOHNSON CONTROLS A-4000-120 Oil Indicator is a brass oil indicator with a 1/8 in NPT connection. It is part of the A-4000 series and is manufactured by JOHNSON CONTROLS.

SKU 3G-OTH-138735

Also listed as: A4000120 · A 4000 120

Brand
JOHNSON CONTROLS
Item
A-4000-120 Oil Indicator, 1/8 in NPT, Brass
Part Number
A-4000-120
Category
Oil Indicators
Available to Order
Also known as:A-4000-120JOHNSON CONTROLS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A-4000-120

Technical Documents

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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS A-4000-120 Oil Indicator is a brass oil indicator with a 1/8 in NPT connection. It is part of the A-4000 series and is manufactured by JOHNSON CONTROLS.

Frequently Asked Questions

What is the JOHNSON CONTROLS A-4000-120 oil indicator used for?

The JOHNSON CONTROLS A-4000-120 oil indicator provides a visual check of oil level in industrial lubrication systems, compressors, and hydraulic reservoirs. Its brass construction resists corrosion, and the 1/8 in NPT connection fits standard ports. It is commonly used in HVAC, refrigeration, and manufacturing equipment where reliable oil monitoring is required.

What are the specifications of the JOHNSON CONTROLS A-4000-120 oil indicator?

The JOHNSON CONTROLS A-4000-120 oil indicator has a 1/8 in NPT connection and is made of brass. It is part of the A-4000 series, with manufacturer part number A-4000-120. The brass body provides durability and corrosion resistance for oil-level sighting applications in industrial equipment.

Where to buy the JOHNSON CONTROLS A-4000-120 oil indicator worldwide?

3G Electric supplies the JOHNSON CONTROLS A-4000-120 oil indicator worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this brass oil indicator to any country.

How to install the JOHNSON CONTROLS A-4000-120 oil indicator?

Install the JOHNSON CONTROLS A-4000-120 oil indicator by threading the 1/8 in NPT connection into a compatible port. Use thread sealant on NPT threads to prevent leaks. Ensure the indicator is oriented vertically for accurate oil-level reading. Tighten to manufacturer torque specs. Always depressurize the system before installation.

Used in

Common applications for JOHNSON CONTROLS
Building automation systems — Johnson Controls TE-6361M-1 duct temperature sensor for monitoring duct temperatures in HVAC systems.
Refrigeration systems — Johnson Controls SEC99AA-24C armored capillary tubing for connecting pressure controls.
HVAC differential pressure control — Johnson Controls P74EA-8C for controlling equipment based on pressure changes.
Liquid flow detection — Johnson Controls F261MAH-V01C paddle flow switch for piping systems.
Hydronic heating and cooling — Johnson Controls VG2431YN globe valve for flow control in water systems.
Refrigeration condensing units — Johnson Controls P66AAB-1C fan speed control for maintaining pressure.
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JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS oil indicators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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