We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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 31C943) is a brass coupler plug designed for portable gas heaters. It features a 1/2 in (F) NPT pipe connection and is compatible with Grainger 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
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

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
Compatible Grainger Part Number
31C939
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
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

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

Product Description

The DANFOSS Portable Gas Heater Quick Connect Coupling (SKU 31C943) is a brass coupler plug designed for portable gas heaters. It features a 1/2 in (F) NPT pipe connection and is compatible with Grainger part number 31C939. This coupling is manufactured by Danfoss under part number 100508.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 31AP25F). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Brand: HANSEN.
HANSEN
HANSEN Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 31AP25F). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Brand: HANSEN.
HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 03A). Key specifications — Manufacturer Part Number: 03A; Hose Connection Gender: Male; Hose Connection Size: 1/4 in; Hose Connection Type: NPTF; Locking Type: Sleeve; Brand: HANSEN; Color Code: Green.
HANSEN
HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 03A). Key specifications — Manufacturer Part Number: 03A; Hose Connection Gender: Male; Hose Connection Size: 1/4 in; Hose Connection Type: NPTF; Locking Type: Sleeve; Brand: HANSEN; Color Code: Green.
HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 02A). Key specifications — Manufacturer Part Number: 02A; Hose Connection Gender: Female; Hose Connection Size: 1/4 in; Hose Connection Type: NPTF; Locking Type: Sleeve; Brand: HANSEN; Color Code: Green.
HANSEN
HANSEN Quick Coupler Plug: NPTF, 1/4" (MPN 02A). Key specifications — Manufacturer Part Number: 02A; Hose Connection Gender: Female; Hose Connection Size: 1/4 in; Hose Connection Type: NPTF; Locking Type: Sleeve; Brand: HANSEN; Color Code: Green.
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, MNPT (MPN 21AP25M). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Brand: HANSEN.
HANSEN
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, MNPT (MPN 21AP25M). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Brand: HANSEN.
HANSEN Quick Coupler Plug: Hose Barb, 3/8" (MPN 09A). Key specifications — Manufacturer Part Number: 09A; Hose Connection Gender: Male; Hose Connection Size: 3/8 in; Hose Connection Type: Hose Barb; Locking Type: Sleeve; Brand: HANSEN; Color Code: Green.
HANSEN
HANSEN Quick Coupler Plug: Hose Barb, 3/8" (MPN 09A). Key specifications — Manufacturer Part Number: 09A; Hose Connection Gender: Male; Hose Connection Size: 3/8 in; Hose Connection Type: Hose Barb; Locking Type: Sleeve; Brand: HANSEN; Color Code: Green.
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 21AP25F). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Brand: HANSEN.
HANSEN
HANSEN Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT (MPN 21AP25F). Key specifications — Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Brand: HANSEN.

More from Danfoss

View all Danfoss parts
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C945, 1 in Coupling Size (MPN 100012). Key specifications — Brand: DANFOSS; Pipe Connection: 1 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C945.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C945, 1 in Coupling Size (MPN 100012). Key specifications — Brand: DANFOSS; Pipe Connection: 1 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C945.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C940, Brass (MPN 100510). Key specifications — Brand: DANFOSS; Pipe Connection: 3/4 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C940.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C940, Brass (MPN 100510). Key specifications — Brand: DANFOSS; Pipe Connection: 3/4 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C940.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C944, Brass (MPN 100010). Key specifications — Brand: DANFOSS; Pipe Connection: 3/4 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C944.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C944, Brass (MPN 100010). Key specifications — Brand: DANFOSS; Pipe Connection: 3/4 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C944.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C943, Brass (MPN 100008). Key specifications — Brand: DANFOSS; Pipe Connection: 1/2 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C943.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C943, Brass (MPN 100008). Key specifications — Brand: DANFOSS; Pipe Connection: 1/2 in (F) NPT; Coupler Type: Coupler Body; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C943.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C941, 1 in Coupling Size (MPN 100512). Key specifications — Brand: DANFOSS; Pipe Connection: 1 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C941.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C941, 1 in Coupling Size (MPN 100512). Key specifications — Brand: DANFOSS; Pipe Connection: 1 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C941.
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C938, Brass (MPN 100506). Key specifications — Brand: DANFOSS; Pipe Connection: 3/8 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C938.
Danfoss
DANFOSS Portable Gas Heater Quick Connect Coupling: Portable Gas Heaters, 31C938, Brass (MPN 100506). Key specifications — Brand: DANFOSS; Pipe Connection: 3/8 in (F) NPT; Coupler Type: Coupler Plug; Material: Brass; Compatible with Product Type: Portable Gas Heaters; Compatible Grainger Part Number: 31C938.