Do you have instructions on how to use this?

Here's a video with step by step instructions. This was produced by the Metabo HPT Service Department. https://www.youtube.com/watch?v=ii_L82J8WbU

What pressure for the 18g hpt finishing gun (nt1850de)?

The pressure for NT1850DE is 50.7 psi. It would be best if you used regulator 371209 instead of 371208. Set your compressor @ 110psi. The regulator should set the pressure automatically. The regulator 371208 is set at 72.5 psi which is incorrect for your tool model.

Is this the correct guage for my Hitachi 15 Gauge angled finish nailer ?

Not sure exactly the Hitachi model you are referring to, but if your nailer model is NT1865DMA, you will need to use the 371210 regulator.

Is this the regulator for refilling the metabo hpt cordless 18v multivolt™ straight finish nailer model nt1865dmst ?

Yes, it is. I have the Hikoki 16Ga NT1865 DBSL. It's the same nailer as your's, just another model number for Europe.

Hitachi 371208 J 394 Reduction Valve Set 16gant1865dm Nr1890dc Nr1890dr

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¥15627

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Description

⚡ Upgrade your air hammer game with Hitachi’s precision valve set!

SEAMLESS COMPATIBILITY - Fits perfectly with Hitachi air hammers for hassle-free installation
DURABILITY YOU CAN TRUST - Rigorously tested to withstand demanding job site conditions
ENGINEERED FOR EXCELLENCE - Crafted to Hitachi’s highest standards ensuring peak performance
BOOST YOUR TOOLS LIFESPAN - Replace worn valves to maintain optimal air hammer efficiency
SWIFT DELIVERY INSTANT UPGRADE - Fast dispatch means less downtime and more productivity

The Hitachi 371208 J-394 Reduction Valve Set is a genuine, precision-engineered replacement part designed specifically for Hitachi air hammers. Crafted from durable materials and rigorously tested for performance, this compact valve set ensures seamless compatibility and extends the lifespan of your power tool. Ideal for professionals seeking reliable, high-quality maintenance components to keep their tools operating at peak efficiency.

Specifications

ASIN	B079SQV3XT
Best Sellers Rank	#72,282 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #213 in Power Tool Replacement Parts
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (211)
Date First Available	February 13, 2018
Finish	Brushed
Included Components	Hitachi 371208 J-394 REDUCTION VALVE SET 16GANT1865DM NR1890DC NR1890DR
Item Package Quantity	1
Item Weight	4.2 ounces
Item model number	371208
Manufacturer	Koki Holdings America, Ltd
Material	Blend
Measurement System	Metric
Part Number	371208
Pattern	Solid
Power Source	hand_powered
Product Dimensions	1 x 1 x 1 inches
Shape	Rectangular

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥15627

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Hitachi 371208 J-394 Reduction Valve Set 16Gant1865Dm Nr1890Dc Nr1890Dr

Description

Specifications

Common Questions