Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
OEM Liquid sight glass 7/8 - HVAC & Refrigeration
OEMHVAC & Refrigeration

OEM Liquid sight glass 7/8

OEM liquid sight glass SLI 22 monitors refrigerant levels in cooling systems with a 22.5 mm viewing diameter and integrated humidity indicator. Designed for 22 mm connections with maximum ambient temperature rating…

SKU 3G-CBM-01742

Brand
OEM
Item
Liquid sight glass 7/8
Category
HVAC & Refrigeration
UNSPSC
40101704 — Condensing units
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OEM
type
SLI 22 liquid sight glass
features
humidity indicator, low pressure drop
connection
22 mm; 7/8" ODF
tube diameter
22 mm; 7/8"
sight glass diameter
22.5 mm
max ambient temperature
80 °C

Technical Documents

(1)
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

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

Product Description

OEM liquid sight glass SLI 22 monitors refrigerant levels in cooling systems with a 22.5 mm viewing diameter and integrated humidity indicator. Designed for 22 mm connections with maximum ambient temperature rating of 80 °C, it provides low-pressure-drop visibility in refrigeration equipment.

Frequently Asked Questions

What is a OEM liquid sight glass 7/8 used for?

A OEM liquid sight glass 7/8 (SLI 22) is used in refrigeration systems to visually monitor refrigerant flow and detect gas bubbles. It includes a humidity indicator that changes color to show moisture content, helping prevent damage to expansion valves. It is suitable for HCFC and HFC refrigerants.

What are the specifications of the OEM liquid sight glass 7/8?

The OEM SLI 22 liquid sight glass has a 22.5 mm viewing diameter, a 22 mm (7/8") ODF connection, and a maximum ambient temperature of 80 °C. It features a humidity indicator and low pressure drop. The body is brass with a tempered glass sight and copper brazing connections.

Where to buy a OEM liquid sight glass 7/8 in Singapore?

3G Electric supplies the OEM liquid sight glass 7/8 (SKU 3G-CBM-01742) to Singapore. We handle sourcing, logistics, customs clearance, and delivery to your facility. Contact our team for pricing and lead time on this refrigeration component.

How to install a OEM liquid sight glass 7/8?

Install the OEM SLI 22 sight glass by brazing the 7/8" ODF copper connections into the liquid line. Ensure the sight glass is positioned for clear visibility. After installation, the humidity indicator should turn green when the system is charged with dry refrigerant. Replace the filter-drier if the indicator shows yellow.

Used in

Common applications for OEM
Boiler room maintenance — CBM ELC ionization electrodes for flame detection in industrial burners
Industrial furnace control — CBM ELV solenoid valves for gas flow regulation in combustion systems
Pump systems — CBM CM circulation pumps for secondary boiler circuits
Motor repair — CBM motor run capacitors (16 µF, 400V) for AC motor starting and running
HVAC damper control — Siemens GBB341.1E actuator for air damper positioning in ventilation
Water quality testing — CBM chlorine test kits for on-site boiler water analysis
Not sure this is the right part? Photo-identify it

OEM Products

3G Electric supplies OEM hvac & refrigeration. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Liquid sight glass 5/8
OEM
Liquid sight glass 5/8
Liquid indicator 3/8"
OEM
Liquid indicator 3/8"
Orifice 0682015
OEM
Orifice 0682015
Valve MS124S 1/2"
OEM
Valve MS124S 1/2"

More from OEM

View all OEM parts
Ball valve 1" 5/8"
OEM
Ball valve 1" 5/8"
Ball valve 1/4"
OEM
Ball valve 1/4"
Ball valve 3/8"
OEM
Ball valve 3/8"
Ball valve 7/8"
OEM
Ball valve 7/8"
Ball valve 5/8"
OEM
Ball valve 5/8"
Ball valve 1" 3/8"
OEM
Ball valve 1" 3/8"
Valve MS165S 5/8"
OEM
Valve MS165S 5/8"
OEM
OEM
Vibration damper 1"5/8

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first