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Danfoss Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C938 - 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, 31C938

The DANFOSS Portable Gas Heater Quick Connect Coupling (SKU 3G-OTH-65995, MPN 100506) is a brass coupler plug designed for portable gas heaters. It features a 3/8 in (F) NPT pipe connection and is compatible with…

SKU 3G-OTH-65995

Brand
Danfoss
Item
Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C938
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
100506
Type
31C938, Brass
Material
Brass
Coupler Type
Coupler Plug
Pipe Connection
3/8 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-65995, MPN 100506) is a brass coupler plug designed for portable gas heaters. It features a 3/8 in (F) NPT pipe connection and is compatible with part number 31C938.

Frequently Asked Questions

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

This Danfoss brass coupler plug (MPN 100506) connects portable gas heaters to a fuel supply line. It is designed for quick, tool-free coupling and uncoupling, making it suitable for temporary heating setups on construction sites, warehouses, or outdoor events where portable gas heaters are deployed.

What are the specifications of the Danfoss 31C938 quick connect coupling?

The Danfoss quick connect coupling (SKU 31C942, MPN 100506) is a brass coupler plug with a 3/8 in (F) NPT pipe connection. It is compatible with portable gas heaters and OEM part number 31C938. The brass construction provides corrosion resistance and durability for gas applications.

Where to buy Danfoss portable gas heater couplings worldwide?

3G Electric supplies the Danfoss portable gas heater quick connect coupling (MPN 100506) 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 on this brass coupler plug.

How to install a Danfoss quick connect coupling on a portable gas heater?

Ensure the gas supply is off before installation. Thread the 3/8 in (F) NPT coupling onto the heater inlet using a compatible male adapter. Tighten with a wrench, but avoid overtightening brass fittings. Test for leaks with soapy water after connection. Always follow the heater manufacturer's instructions.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 03A)
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HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 03A)
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 31AP25F)
HANSEN
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 31AP25F)
HANSEN Quick Coupler Plug: Hose Barb, 3/8" (MPN 09A)
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HANSEN Quick Coupler Plug: Hose Barb, 3/8" (MPN 09A)
HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 02A)
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HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 02A)
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 41)
HANSEN
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 41)
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 21AP25F)
HANSEN
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 21AP25F)

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