What are the thread sizes for both sides of this adapter?

The male side is 1/2" male X 1/2" female

Does this adapter include the 3/8 female to 3/8 male transition?

Amazon does sell an adapter that might do what you want . You will still need the tho3141 to adapt to the Toto oringhose . GenieBidet 3/8 x3/8 x 1/2 inch T tried to copy and past put could not on the answer . No Guarantees. But I’m ordering one when it’s in stock

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TOTO TTHP3141 1/2" Adapter for Toto Washlet SW583 N/A

Product ID: 42963689

Details

Brand
TOTO
Color
Brass
Connector Type
Adapter
Exterior Finish
Brass
Item Weight
0.27 g
Item dimensions L x W x H
1 x 1 x 1

💧Compatible with Toto Washlet SW583

🔧0.5-inch NPSM thread size

🛠️Durable brass construction

$33.03

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔩 Upgrade your bathroom essentials with Toto’s sleek, reliable adapter — because every detail counts!

HARD WATER READY - Ideal for integrating inline water filters to protect your washlet from sediment buildup.
PREMIUM BRASS BUILD - Engineered from high-quality brass for long-lasting durability and corrosion resistance.
TRUSTED TOTO QUALITY - Backed by a 2-year manufacturer warranty and a 4.6-star rating from satisfied users.
COMPACT LIGHTWEIGHT - Measuring just 1x1x1 inches and weighing 0.27g, it fits discreetly without bulk.
PRECISION FIT ADAPTER - Seamlessly connects your Toto Washlet SW583 with existing plumbing for hassle-free installation.

The TOTO TTHP3141 1/2" Adapter is a precision-engineered brass fitting designed specifically for the Toto Washlet SW583. It ensures a secure, leak-resistant connection between your washlet and plumbing, supports inline water filters for hard water protection, and offers durable performance backed by a 2-year warranty. Compact and easy to install, this adapter is a must-have for anyone upgrading their bathroom with Toto’s industry-leading hygiene technology.

Specifications

ASIN	B012OV7JOM
Best Sellers Rank	#406,516 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,008 in Toilet Replacement Parts #2,413 in Toilet & Urinal Parts
Brand Name	TOTO
Color	Brass
Connector Type	Adapter
Customer Reviews	4.6 4.6 out of 5 stars (62)
Exterior Finish	Brass
Included Components	Product Only
Item Dimensions	1 x 1 x 1 inches
Item Type Name	Toilets and Bidets
Item Weight	0.27 g
Manufacturer	TOTO
Manufacturer Part Number	THP3141
Manufacturer Warranty Description	2 Year Manfacturer
Material Type	Brass
Model Number	4328736849
Number of Packs	1
Number of Pieces	1
Size	0.5 inches
Thread Size	0.5 inch
Thread Type	NPSM
UPC	739268283763
Unit Count	1 Count

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$33.03

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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