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Danfoss Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C939 - Quick-Connect Gas Couplings for Portable Gas Heaters
DanfossQuick-Connect Gas Couplings for Portable Gas Heaters

Danfoss Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C939

The DANFOSS Portable Gas Heater Quick Connect Coupling (SKU 3G-OTH-66016) is a brass coupler plug designed for portable gas heaters. It features a 1/2 in (F) NPT pipe connection and is compatible with part number…

SKU 3G-OTH-66016

Brand
Danfoss
Item
Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C939
Category
Quick-Connect Gas Couplings for Portable Gas Heaters
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Danfoss
Manufacturer Part Number
100508
Type
31C939, Brass
Material
Brass
Coupler Type
Coupler Plug
Pipe Connection
1/2 in (F) NPT
Compatible with Product Type
Portable Gas Heaters

Technical Documents

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

Product Description

The DANFOSS Portable Gas Heater Quick Connect Coupling (SKU 3G-OTH-66016) is a brass coupler plug designed for portable gas heaters. It features a 1/2 in (F) NPT pipe connection and is compatible with part number 31C939. This coupling is manufactured by Danfoss under part number 100508.

Frequently Asked Questions

What is the Danfoss portable gas heater quick connect coupling used for?

This Danfoss brass coupler plug connects portable gas heaters to a gas supply line. It is designed for quick, secure connections in industrial and commercial heating applications, ensuring safe fuel delivery.

What are the specifications of the Danfoss 31C939 quick connect coupling?

The Danfoss 31C939 is a brass coupler plug with a 1/2 in (F) NPT pipe connection. It is compatible with portable gas heaters and OEM part number 31C939. The manufacturer part number is 100508.

Where to buy Danfoss portable gas heater couplings worldwide?

3G Electric supplies Danfoss portable gas heater couplings worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this brass quick connect coupling.

How to install a Danfoss quick connect gas coupling?

Ensure the gas supply is off before installation. Apply thread sealant to the 1/2 in (F) NPT connection and hand-tighten the coupler plug onto the heater inlet. Use a wrench for a secure fit, then test for leaks with soapy water.

Used in

Common applications for Danfoss
Light-oil industrial burners — OD / OD-H nozzles as scheduled replacement parts
Heating-boiler oil-supply circuits — BFP 10L / 11L / 41L pumps and coupling kits
Burner-rack solenoid valves — EV and EVR series for oil and gas shut-off
Legacy plant troubleshooting — matching a failed burner nameplate to correct Danfoss nozzle/pump combination
Refrigeration pressure controls — KP / RT series for secondary-refrigerant loops

Danfoss Products

3G Electric supplies Danfoss quick-connect gas couplings for portable gas heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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