Lochinvar L100163257 Bypass Assembly Kit

Product Description

The LOCHINVAR L100163257 is a bypass assembly kit designed for use in hydronic heating systems where flow control and pressure differential management are critical to system performance. This kit provides the components necessary to create or restore a bypass circuit, allowing water to divert around terminal units or heat exchangers when zone valves or other controls restrict flow. It is typically installed by licensed plumbers or hydronic heating technicians as part of a system balancing or repair procedure.

This bypass assembly kit is suited for residential and light commercial hydronic heating applications. It is commonly installed in boiler loop systems where maintaining minimum flow through the heat exchanger is required to prevent short-cycling, overheating, or nuisance lockouts. The kit consolidates bypass circuit hardware into a single assembly, simplifying installation during new system commissioning or service replacement work.

Key Features

• Complete kit format provides all necessary bypass assembly components in one package
• Designed to maintain minimum flow requirements in hydronic boiler systems
• Supports proper pressure differential management across the distribution loop
• Suitable for use in residential and light commercial heating applications
• OEM part from LOCHINVAR for reliable fit and function

Compatibility

Designed as an OEM-style replacement bypass assembly for LOCHINVAR hydronic heating and boiler systems. Consult the equipment service manual or LOCHINVAR technical support to confirm fitment for a specific unit model before installation.

Installation Notes

Installation should be performed by a licensed plumber or qualified hydronic heating technician familiar with closed-loop heating systems. Shut down the boiler and depressurize the affected portion of the hydronic loop before beginning any work. Follow applicable local plumbing codes and the equipment manufacturer service documentation for correct bypass circuit placement and sizing. Do not energize the system until all connections are confirmed leak-free and the loop has been properly refilled and purged of air.

Technical Specifications

• Product Type: Bypass Assembly Kit

Standard Information

• Brand: LOCHINVAR
• Manufacturer Part Number: L100163257