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3G Electric
COMSTAR Geothermal-E RTU 30% Ethanol Heat Transfer Fluid
COMSTAREthanol

COMSTAR Geothermal-E RTU 30% Ethanol Heat Transfer Fluid

The COMSTAR Geothermal-E RTU is a 30% concentration ethanol heat transfer fluid, supplied in a 55-gallon drum. This green fluid is not food safe and is identified by manufacturer part number 01-306.

SKU 3G-OTH-73129

Also listed as: 01306 · 01 306

Brand
COMSTAR
Item
Geothermal-E RTU 30% Ethanol Heat Transfer Fluid
Part Number
01-306
Category
Ethanol
Available to Order
Also known as:01-306COMSTAR
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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

COMSTAR
Manufacturer Part Number
01-306
Series
Geothermal-E RTU
Type
Not Food Safe, Green
Drum
55 gal
Concentration
30%

Technical Documents

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

Product Description

The COMSTAR Geothermal-E RTU is a 30% concentration ethanol heat transfer fluid, supplied in a 55-gallon drum. This green fluid is not food safe and is identified by manufacturer part number 01-306.

Frequently Asked Questions

What is COMSTAR Geothermal-E RTU heat transfer fluid used for?

COMSTAR Geothermal-E RTU is a 30% concentration ethanol heat transfer fluid designed for geothermal heating and cooling systems. It is used in closed-loop ground-source heat pump applications to transfer thermal energy efficiently. This green fluid is not food safe and is supplied in a 55-gallon drum.

What are the specifications of COMSTAR Geothermal-E RTU?

The COMSTAR Geothermal-E RTU is a 30% concentration ethanol heat transfer fluid. It is not food safe, has a green color, and comes in a 55-gallon drum. The manufacturer part number is 01-306, and it belongs to the Geothermal-E RTU series by COMSTAR.

Where to buy COMSTAR Geothermal-E RTU worldwide?

You can source COMSTAR Geothermal-E RTU worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us to order the 55-gallon drum of this 30% concentration ethanol heat transfer fluid.

How to select the right concentration for COMSTAR Geothermal-E RTU?

Selecting the right concentration for COMSTAR Geothermal-E RTU depends on your system's freeze protection requirements. A 30% concentration ethanol fluid provides freeze protection down to approximately -15°C. Always consult your heat pump manufacturer's guidelines and local climate conditions to ensure proper performance and system compatibility.

Used in

Common applications for COMSTAR
Commercial refrigeration — COMSTAR ISO-32 polyol ester oil (e.g., part 45-007) for compressors using R-32 refrigerant in supermarket display cases and walk-in coolers.
Industrial refrigeration — COMSTAR ISO-68 polyol ester oil (e.g., part 45-010) for lubricating compressors in large cold storage and process cooling systems with HFC refrigerants.
HVAC service — COMSTAR ISO-32 oil in 1-quart containers (e.g., part 45-019) for field maintenance and oil changes in residential and light commercial air conditioning units.
Gas leak detection — COMSTAR leak detection fluid (part 90-210) for checking pressurized piping, valves, and fittings in industrial gas systems and refrigeration circuits.
Bulk system charging — COMSTAR ISO-32 oil in 55-gallon drums (e.g., part 45-009) for initial fill or large-volume oil replacement in industrial refrigeration plants.
A2L refrigerant systems — COMSTAR ISO-32 polyol ester oil (e.g., part 45-008) for compressors in equipment designed for mildly flammable A2L refrigerants, including R-32.
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COMSTAR Products

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

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