the inside diameter of the waste hole on my Pentair filter seems to be 2 1/4 inches. will this fit?

I am using it for my pond with 21/2" flex tubing if it is large, I can readily clamp to collaspable tubing..Won't know until spring

Is the treaded side threads compatible with either npsh fire hose nozzle or the nst/nh fire hose nozzle? both nozzles being 1.5 inch with female thre

The pipe nipple is 1.5" male pipe thread (NPT) x 1.5" male barbed hose fitting. Do your own research on the female end of your things to see if it is a match. Or you could just order one and see if it fits, return it if doesn't.

What is the total length of the 1.5 fitting?

It will vary depending on which supplier and which production lot ends up in your order. Order the correct diameter for your pipe and use Amazon's return process if it doesn't suit your needs. BTW; it is plastic and thus you can easily trim it a bit if too long.

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Spears 1436 Series PVC Tube Fitting, Adapter, Schedule 40, Gray, 1-1/2" Barbed x NPT Male

Spears 1436 Series PVC Tube Fitting, Adapter, Schedule 40, Gray, 1-1/2" Barbed x NPT Male

Product ID: 3671329

Details

Brand
Spears
Color
Gray
Connector Type
Barbed X Npt
Exterior Finish
Grey
Item Weight
0.11 Pounds
Item dimensions L x W x H
8 x 8 x 5

💧NSF 61 certified potable water safe

🔗Barbed x NPT Male secure fit

🌡️Max 140°F working temp

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119200Fr

Duties & taxes included

In stock

Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Connect with Confidence — The Ultimate PVC Adapter for Pros

LIGHTWEIGHT YET INDUSTRIAL GRADE - At just 0.11 lbs, this fitting delivers heavy-duty performance without the bulk.
PRECISION CONNECTION ZERO LEAKS - Barbed fitting ensures a rock-solid seal with flexible tubing when paired with a hose clamp.
CERTIFIED FOR CLEAN WATER SYSTEMS - NSF 61 certification guarantees safe use with potable water, meeting rigorous industry standards.
SCHEDULE 40 STRENGTH RELIABILITY - Meets ASTM D2609 and Schedule 40 standards for dependable wall thickness and performance.
BUILT TO WITHSTAND HEAT CHEMICALS - PVC material resists acids, gasoline, alcohol, and hydrocarbons up to 140°F for unmatched durability.

The Spears 1436 Series PVC Tube Fitting is a 1.5-inch gray adapter combining a barbed insert and NPT male thread, designed for secure, leak-resistant connections between Schedule 40 PE flexible tubing and NPT pipes. Engineered from durable PVC, it withstands temperatures up to 140°F and resists harsh chemicals, meeting ASTM D2609 and NSF 61 standards for potable water use. Lightweight and certified, it’s a trusted choice for professional-grade plumbing applications.

Specifications

ASIN	B008FM9CWW
Best Sellers Rank	#3,395 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Barbed Hose Fittings
Brand Name	Spears Manufacturing
Color	Gray
Connector Type	Barbed X Npt Male
Customer Reviews	4.7 4.7 out of 5 stars (2,062)
Exterior Finish	Grey
Global Trade Identification Number	00054211105115
Item Dimensions	8 x 8 x 5 inches
Item Weight	0.11 Pounds
Manufacturer	Spears Manufacturing
Manufacturer Part Number	1436-015
Material Type	Polyvinyl Chloride
Model Number	1436-015
Number of Pieces	1
Size	1.5 Inch
Thread Size	1.5 inch
Thread Type	NPT
UPC	054211105115
Unit Count	1.0 Count

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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