Rhino Tuff Tanks Poly Adapter 2.5" Buttress Female x 2" MNPT (MPN: RTT-7252)

Description

The Adapter DEF 2.5″ FB x 2″ MNPT Poly (MPN: RTT-7252) is a precision-molded fitting designed to connect DEF and fluid storage systems with ease and reliability. Featuring a 2.5″ female buttress thread on one end and a 2″ male NPT on the other, this adapter enables seamless integration between tanks, hoses, pumps, and accessories that use different thread standards. It is especially useful when adapting 2.5″–5 buttress tank ports to standard NPT plumbing setups.

Crafted from high-quality polyethylene, the adapter offers outstanding chemical resistance, making it perfectly suited for use with diesel exhaust fluid (DEF), water, oils, lubricants, and other industrial fluids. Its durable construction resists cracking, corrosion, and environmental wear, ensuring long-term performance even in harsh operating conditions.

Key Features

• Universal Thread Compatibility: Connects 2.5″ female buttress to 2″ male NPT fittings, enabling cross-system integration.
• Chemical-Resistant Polyethylene: Constructed from durable poly to withstand DEF, oils, lubricants, and harsh fluids.
• DEF System Ready: Specifically designed to support diesel exhaust fluid applications without risk of material degradation.
• No Modification Required: Installs quickly using hand tools—no cutting, welding, or thread conversions needed.
• Leak-Resistant Fit: Precision-engineered threads ensure a tight, secure seal for worry-free operation.
• Compact & Lightweight: Small 3″ footprint is ideal for tight installations and minimizes system weight.
• 2.5″–5 Buttress Compatibility: Designed to fit 2.5″ female buttress tank openings commonly used in DEF systems.
• Rhino Tuff Tanks Approved: Fully compatible with the Rhino line of tanks, pumps, and plumbing accessories.
  

Specifications

• Material: Polyethylene
• Thread Size: 2.5″ Female Buttress x 2″ Male NPT
• Weight: 1 lbs
• Dimensions: 3″ x 3″ x 3 in″
• Manufacturer: Rhino Tuff Tanks - Maple Lake, MN
• Manufacturer Part Number: RTT-7252
• Ships From: Maple Lake, MN

Applications

• Designed to fit 2.5″ female buttress tank openings commonly used in DEF systems

Frequently Asked Questions

What are the dimensions?
Thread Size: 2.5″ Female Buttress x 2″ Male NPT; Dimensions: 3″ x 3″ x 3 in″.

How much does it weigh?
Weight: 1 lbs.

What can I use it for?
Designed to fit 2.5″ female buttress tank openings commonly used in DEF systems.

How long does it take to ship, and where does it ship from?
The manufacturer lead time is 2-5 Weeks, and it ships from Rhino Tuff Tanks in Maple Lake, Minnesota. Shipping is calculated at checkout.

What warranty does it come with?
Rhino Tuff Tanks repairs or replaces, at its discretion, products found defective due to a manufacturing defect. Its warranty table does not list a specific period for this item category, and components made by another manufacturer carry that manufacturer’s warranty.

Who makes it?
Rhino Tuff Tanks of Maple Lake, Minnesota (part number RTT-7252). Tank Supply Direct sells and supports it.

Manufacturer Documents

• Rhino Tuff Tanks product page - Adapter DEF 2.5″ FB x 2″ MNPT Poly
• Rhino Tuff Tanks 2024 product catalog (PDF)

Shipping and Warranty

• Manufacture Lead Time: 2-5 Weeks
• Ships From (State): MN

Products are subject to freight or parcel shipping costs. Shipping charges are calculated at checkout based on delivery location, product size, weight, and carrier requirements.

Warranty Information
Rhino Tuff Tanks’ published warranty-period table does not list a specific period for this item category; coverage follows the policy below, and components made by another manufacturer carry that manufacturer’s warranty.

Rhino Tuff Tanks Warranty Policy
Rhino Tuff Tanks (RTT) stands behind all of its products and will repair or replace, at its discretion, any product found to be defective due to a manufacturing defect. Items sold, but not manufactured by Rhino Tuff Tanks (including materials, equipment, or components such as pumps, hoses, valves, etc.) are subject to the warranty, if any, of the original manufacturer. Rhino Tuff Tanks will provide the purchaser with reasonable assistance in making any claim for breach of these warranties; however, if the original manufacturer denies such warranty claims, Rhino Tuff Tanks has no additional liability. Rhino Tuff Tanks is not responsible for fluid loss and/or associated cleanup costs. The warranty does not apply to any products that have been subjected to an accident, adjustment, improper installation, misapplication, misuse, modification, neglect, repair, including but not limited to improper maintenance, or use of unauthorized parts or attachments. Warranties and returns will not be honored without the original receipt of purchase and images of the damaged or defective product. Warranties do not apply to floor or display models, out-of-box models, and close-out or discontinued items.

For warranty details or to start a claim, contact Tank Supply Direct at info@tanksupplydirect.com. Source: Rhino Tuff Tanks warranty page