Fittings, Hydraulics, Pneumatics & Plumbing, Industrial & Scientific
Merrill 1″ Stainless Steel Pitless Adapter for 5″–8″ Casing
$86.00 on Amazon.com (as of October 17, 2026, 9:15 AM EST) View details ↗
The Merrill SSMB50 pitless adapter provides a reliable, heavy‑duty connection for submersible well pumps. Its 2‑piece design lets you permanently mount the adapter to the well casing while still allowing easy removal of the pump for service, ensuring both durability and maintainability.
Engineered from stainless steel, the adapter complies with federal low‑lead regulations and features a molded gasket that creates a positive outside seal. It supports a 1″ drop pipe and a 1″ discharge, and it is sized to fit well casings ranging from 5″ to 8″, making it a versatile solution for a variety of well installations.
| Drop Pipe Size | 1″ |
|---|---|
| Discharge Size | 1″ |
| Casing Compatibility | 5″–8″ |
| Material | Stainless Steel (lead‑free) |
| Design | 2‑piece, permanent mount with removable pump |
| Seal Type | Molded gasket for positive outside seal |
Can the adapter be used with a well casing smaller than 5 inches?
No, the adapter is designed to fit casings between 5″ and 8″.
Is the adapter compatible with both a 1‑inch drop pipe and a 1‑inch discharge?
Yes, it supports a 1″ drop pipe and a 1″ discharge connection.
