Commerceinstruments Best Selling Products

Propane Tank Valve; For Use With Manchester Tank; Fill Valve; 1-3/4 Inch ACME; With Cap And Cap Strap Manchester Tank is a global leader in the des...

Water Heater Manifold Outlet; For Suburban Water Heater DSI Models SW6D/ SW10D (After Serial Number 953401118); Fits Unit With A Pilot Suburban Man...

AquaLock 3545-10CP Fitting Plug/ Fitting Cap; 3545 Series; 1/2 Inch Female Quick Connect Copper Tube End; White; Polysulfone (High Performance Ther...

Marshall Products ME1328Propane Adapter Fitting; Low Pressure Manometer Adapter; 3/8 Inch Outside Diameter; Brass; Single For over 30 years Marshal...

Manual caulking gun for sausage packaging Sika

Stromberg Carlson Replacement Manual Crank Handle for Fifth Wheel Landing Gear. Feel secure in knowing these parts are the most widely used in the ...

GPS200 - NMEA 2000 GPS Antenna/ReceiverMaretron's GPS200 provides reliable position fixes 10 times per second, accurate boat speed four times per s...

Fuel Flow Sensor - 25-500 LPH/6.6-132 GPHFeatures: Operating Temperature: -40°C to 80°C (-40°F to 176°F) Storage Temperature: -65°C to 170°C (-85...

Maretron NF-NM4P-NF Marine Network Cable Connector; Used To Provide Two Power Inputs Permitting Doubled Power Provision For Devices; Mini Powertap ...

Maretron NM4P-05 Marine Network Cable; For Use With NF-NM4P-NF Mini Powertap Connector; 5 Meter Length; Yellow PVC; IP67 Waterproof; 9 Ampere; 600 ...

; Use To Monitor And Measure Battery Temperature Or Other Under-Bolt Temperature Maretron's products are designed to the open industry NMEA 2000 ® ...

Power Cord Adapter; For Providing 15 Amps To RV From 30 Amp Standard Power Outlets; Pigtail Type; Polarized For Use With RV Only; Non Locking; With...

Power Cord Adapter; Connects 50 Amp RV Power Cords To A 15 Amp Power Source; Outdoor Use Only; With Watertight Connection; With Extra Wide Grip Han...

Power Inlet Port; Manual Power Disconnect; 30 Amp; 125 Volt AC; 3.78 Inch Length x 3.30 Inch Width x 3.13 Inch Depth; Square; Black With Stainless ...

Power Inlet Port; Manual Power Disconnect; 30 Amp Power; 125 Volt AC; Stainless Steel; With Cap Marinco s...

This 30 Amp, 125 Volt female connector is designed to be used with any of the 30 Amp power inlets from ParkPower. Built with high quality, corrosio...

Marinco 30MPRV Power Cord Plug End; Replacement Plug For Marinco 10 Gauge Wires; 30 Amp; 3 Prong Ends; With Plug Head Handle; Yellow; Nylon Marinco...

Power Cord; Power Supply Cord; 4-Pin Male Plug End And Female Socket End; For Providing 50 Amps To RV From 50 Amp Standard Power Outlet; From Strai...

New from ParkPower by Marinco, the Right Angle Cordset is designed specifically for RV applications. It is an ideal way to connect in tight spaces....

Power Inlet Port; Manual Power Disconnect; 50 Amp Power; 125/ 250 Volt AC; White; Contour Shape; Flame Resistant UL94V0 Plastic Rear Enclosure/ Sta...

Marinco standard inlets feature UV stabilized glass-filled polyester construction for long-lasting strength. Their robust construction and corrosio...

Compatibility: Marinco 10 Gauge Wires Ampere Rating: 30 Ampere Industry Standard: NEMA TT-30R End Type: Female End Color: Yellow Material: Nylon Wi...

Power Cord Adapter Lock Ring; Use To Protect Connection From Moisture; Fits 20 Amp/ 30 Amp ParkPower ® Power Cord Adapters; Threaded; With Collar M...

Power Conversion Kit; Converts 30 Amp Hard Wired RV Power Hook-Up To Detachable Power Hook-Up; 30 Amp/ 125 Volt; With 30 Amp Contoured Power Inlet/...

6-56® Multi-Purpose Marine Lubricant - 9oz Long lasting, superior lubrication that resists water and salt spray. Drives out moisture that can cause...

6-56® Multi-Purpose Marine Lubricant - 11oz Long lasting, superior lubrication that resists water and salt spray. Drives out moisture that can caus...

Marine Aerospace Protectant - 1 GallonNo other product provides this much protection for your boat and water gear. Use Aerospace Protectant to keep...

CRC Marykate 06006MARINE FORMULA 656

Heavy Duty Silicone - 9oz Clean, odorless, highly water resistant. Fights corrosion. Lubricates wood, nylon, rubber, metals, canvas and leather. El...

CRC Industries 06102 Electronic Cleaner; QD ®; Use To Clean Circuit Breakers/ Sensitive Electronic Components/ Contacts/ Fans/ Motors/ Electronics/...

Biocide 3237MARINE SHOCKER

CRC Industries 06037 Multi Purpose Grease; Lithium Grease; White; Single; 16 Ounce Aerosol Can As one of the world’s leading manufacturers of ch...

Optronics MC32RS Clearance Light; MC32 SERIES; Incandescent; Oblong; 4 Inch Length x 2 Inch Width x 1-1/8 Inch Depth; Red Lens; White ABS Housing; ...

Carefree Of Colorado KIT, MARQUEE TBLR MOTOR,3-SLOT KIT, MARQUEE TBLR MOTOR,3-SLOT

Adapts Your LP Grill, Portable Stove Or Any Other High Pressure Gas Appliance To A Full Size LP Cylinder Instead Of The Small Disposable Style ISO...

Marshall Excelsior MEGR-230-25QDP Propane Regulator; Black QCC Inlet x Female Quick Disconnect (QD); Single Stage; Without Hose; Retail Packaging; ...

Propane Regulator; Excela-Flo; 1/4 Inch Inverter Flare X 3/8 Inch FPT; Two Stage; 225000 BTU I Stage/ 150000 BTU II Stage; Without Hose; Zinc Powde...

Excela-Flo compact integral 2 stages regulator MEC * 175,000 BTU/Hr * Inlet Connection: HN Excess Flow POL. * Type: Two stages * Max. Inlet Pressu...

The Stay-Longer Propane Kits are designed to give you new flexibility on how you use your LP-Gas. You can stay longer by hooking up auxiliary LP-Ga...

POL x Male 1" - 20 x Male 1" - 20 - Tee The ME413 has a soft nose P.O.L inlet connection with handwheel which fits all standard LP gas cylinder va...

1 - 5/16" Male Acme with Quick Closing Poppet x 1 - 5/16" Female Acme x Male 1"-20 - Tee Allows towable RV or cottage owners the ability to connec...

Propane Adapter Fitting; Tee Style; 1 Inch-20 FNPT Inlet x 1 Inch-20 MNPT Outlet; Brass; Single; With Plastic Clamshell For over 30 years Marshall ...

Propane Pressure Test Kit; 0 To 35WC (Water Column); 3 Foot Rubber Hose; With Gauge/ Case/ Hose/ Hose Barb Connector For over 30 years Marshall Exc...

Propane Regulator; Excela-Flo; 1/4 Inch Female Inverter Flare x 3/8 Inch FNPT; Two Stage; 225000 BTU I Stage/ 150000 BTU II 2 Stage; Without Hose; ...

Propane Regulator; Excela-Flo; 1/4 Inch FNPT Inlet x 3/8 Inch FNPT Outlet; Two Stage; 175000 BTU; Without Hose; Zinc Powder Coated; Zinc Die Casted...

Propane Regulator; Excela-Flo; 1/4 Inch FNPT Inlet x 3/8 Inch FNPT Outlet; Two Stage; 175000 BTU; Without Hose; Zinc Die Casted; Internal Relief Sp...

Propane Regulator; Excela-Flo; 1/4 Inch FNPT Inlet x 3/8 Inch FNPT Outlet With 90 Degree Vent; Two Stage; 175000 BTU; Without Hose; Zinc Powder Coa...