Waterway Plastics 670-1100 Check Valve Bath

Waterway Plastics Check Valve Bath

Waterway Plastics 670-1100 is a bath check valve with a 1 in connection and a flapper. It provides backflow protection in pool and spa circulation lines. In practice, it helps maintain unidirectional flow through the system by preventing reverse flow through the valve body. This description is written for technicians and serious buyers planning a replacement or retrofit.

Key Features

• Flapper-based check valve provides unidirectional flow in a bath circuit.
• Part number 670-1100 identifies this 1 in connection bath valve with a flapper.
• 1 in connection simplifies alignment with standard pool and spa plumbing runs.
• Compact body design fits in tight spaces near skimmer assemblies or returns lines.
• Designed to integrate with Waterway plumbing configurations to maintain flow direction.

Where This Part Is Used

In a typical pool or spa circulation loop, this Bath check valve is installed in-line to prevent reverse flow. You’ll commonly encounter it in or near skimmer assemblies, jet bodies, or along return lines. It also appears in configurations where the valve sits between pump wet ends and downstream components like filters. The flapper seal provides reliable shutoff against backflow, contributing to stable system pressure. By controlling flow direction, it supports consistent operation of the circulation path.

Why Choose Waterway Plastics

Waterway Plastics carries a long-standing reputation for durable, serviceable pool components. Engineering consistency across product lines means predictable fit and interchangeability with compatible Waterway parts. The company emphasizes long-term serviceability, with parts designed to be replaced or serviced without wholesale system changes. These attributes help technicians implement reliable solutions with confidence.