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Plumbing Pitless Adapters

Pitless adapters are an important part of a well system because they let the water line connect to the pump without leaving the well exposed. By guiding the pipe out below the frost line, they stop freezing problems and replace the old pits that often collect dirt and germs. We offer a range of brass and stainless steel adapters that are built to last and simple to install. With different sizes and designs available, it is easy to choose the right one and keep the water running safely and reliably.

Frequently Asked Questions

What is a pitless adaptor?

A pitless adapter is a specialized fitting that connects the well casing to the water line underground, eliminating the need for a traditional well pit. Quality options include the No-Lead Bronze Pitless Adapter for reliable underground water system connections.

What are the different types of pitless adapters?

Pitless adapters come in various sizes and materials, including stainless steel and brass versions for different well applications. The Merrill SSMBI100 Pitless Adapter (Stainless Steel) represents a durable stainless steel option for demanding installations.

What is the difference between a well pit and a pitless adapter?

A well pit is an underground chamber providing access to well equipment, while a pitless adapter eliminates this chamber by connecting directly underground. Modern solutions like the MBNL250 1-1/2" No-Lead Bronze Pitless Adapter offer freeze protection without requiring pit construction.

Where is a pitless adapter installed?

Pitless adapters are installed below the frost line, typically 4-8 feet underground, connecting the well casing to the horizontal water line leading to the building.

How deep is a pitless adapter?

Pitless adapters are installed below the local frost line depth, usually between 4-8 feet underground depending on your climate zone. This depth prevents freezing while maintaining access through quality adapters.

What does a pitless adapter do?

A pitless adapter creates a watertight, freeze-proof connection between your well casing and water line below ground, eliminating the need for a well pit. Quality models like the MBNL200D 1" No Lead Bronze Pitless Adapter provide reliable underground water system connections.

How does a pitless adapter work?

A pitless adapter works by creating a waterproof seal at the side of a well casing, which allows the water line to be run from the well horizontally underground. This design eliminates the need for a traditional well pit, ensuring all pump connections are safely located below the frost line. It allows for easy pump removal and service from the top of the well.

What are the benefits of pitless adapters?

The key benefits of a pitless adapter are freeze protection, a reduced risk of contamination, and easier maintenance without a well pit. These adapters, including durable models like the Merrill MBFNL10 1" Pitless Adapter , offer long-term reliability for modern water systems.

Can a pitless adapter be retrofitted to an existing well?

Yes, a pitless adapter can be retrofitted to most existing wells. This process involves a professional installer who makes a sealed entry point in the well casing below the frost line. This allows for a more secure and efficient water system by replacing the old well pit with a modern, subterranean connection.

Can a pitless adapter leak?

Pitless adapters can develop leaks over time due to seal wear or improper installation, but quality units are designed for long-term reliability. Regular maintenance with products like 60870 2" Bung Adapter for Immersed Pumps helps prevent seal deterioration and extends adapter lifespan.

How are pitless adapters removed for maintenance?

Pitless adapters are removed using specialized pullers that grip the unit and lift it from the well casing for inspection or replacement.