Stainless Steel Pitless Adapter w/1" Barbs

Stainless Steel Pitless Adapter w/1" Barbs

The SSMBI100 Stainless Steel Pitless Adapter with 1" Barbs is a watertight, sanitary pitless adapter designed for reliable well connections using flexible polyethylene (poly) pipe via an insert barb connection. Built by Merrill Manufacturing, it meets certified watertight standards (PAS-1, PAS-97(2019), and ASSE 1093-2019) and features a tapered male/female interface for smooth connection and easier removal. With a replaceable O-ring seal, molded gasket, and a durable stainless steel body with an extra-wide stainless nut, it’s made for secure installation and long-term service in demanding well applications.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: SSMBI100
• Brand: Merrill Manufacturing
• Product Type: Stainless steel pitless adapter
• Connection Type: Insert barb connection
• Barb Size: 1" barbs
• Watertight Standards / Certifications: PAS-1, PAS-97(2019), ASSE Standard #1093-2019
• Design: Tapered male/female connection for seamless connection and easy removal
• Sealing: Replaceable O-ring seal (not factory-only) plus molded gasket for positive outside seal
• Material: Stainless steel for sanitary, watertight casing seal
• Installation Feature: Extra-wide stainless steel nut for easier wrench access
• Load Support (when properly installed): Supports Schedule 40 steel pipe full of water and pump

Ideal For

• Well setups needing a stainless pitless adapter with a sanitary, watertight casing seal
• Installations using flexible polyethylene (poly) pipe with 1" insert barbs
• Jobs where a replaceable O-ring is preferred for easier long-term maintenance
• Applications needing certified watertight performance to recognized industry standards
• Installers who want easier tightening with an extra-wide stainless nut