Is it a 1.8, 2.1 or 2.3 mm

The #100775 injector has a 2.1mm orifice.

my pressure washer is 3100psi @ 2.8 gpm. Is this chemical injector the correct/best one for my washer? Thanks in advance for your help -d

This injector may work ok but a better option would be General Pump #100774 which is for 2-3 GPM machines. Amazon item #B01JB6D0YG

I have 3200 psi /2.6gpm would this work and does the tube for trasporting the liquid come included?

I would suggest General Pump Model #100774 (Amazon Item #B01JB6D0YG) which is for 2-3 GPM machines. The suction tube is not included. Amazon item #B00O45UHUU would work great.

What size is the threading ?

Both sides are 3/8" NPT threads.

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General Pump 3-5 Gpm Chemical Injector 100775

Product ID: 767799088

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Details

Brand
General Pump
Exterior Finish
真鍮
Inlet Connection Type
ねじ込み式
Item dimensions L x W x H
5.6 x 2.5 x cm
Manufacturer
General Pump
Material
Brass

⏱️Quick-connect usage

⚙️3-5 GPM flow rate

🛠️Durable brass construction

Description

⚡ Inject efficiency, inject success!

BUILT TO LAST - Crafted from premium brass for unmatched durability and corrosion resistance.
EFFORTLESS SETUP - Quick-connect design ensures fast, hassle-free installation every time.
COMPACT LIGHTWEIGHT - Slim 5.59 x 2.54 x 0.25 cm profile weighing just 0.28 g fits seamlessly into your system.
PRECISION FLOW CONTROL - Delivers a consistent 3-5 gallons per minute for optimal chemical injection.
TRUSTED BRAND RELIABILITY - From General Pump, a leader in professional-grade pressure washer accessories.

The General Pump 3-5 GPM Chemical Injector 100775 is a compact, brass-built accessory designed for precise chemical injection in pressure washer systems. With a quick-connect design and a reliable flow rate of 3-5 gallons per minute, it offers professional-grade durability and performance for lawn and garden maintenance.

Specifications

ASIN	B01JB6D23K
Are Batteries Included	No
Brand	General Pump
Color	gold
Date First Available	October 15, 2022
Included Components	Brass chemical injector body only
Item Weight	0.28 g
Material	Brass
Model Number	100775
Name List for Name Plates	General Pump, Pump
Power Source	General
Product Dimensions	5.59 x 2.54 x 0.25 cm; 0.28 g
Usage	クイックコネクト。

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