ELK Freeze Relief 4-in Sump Pump Transition — 1.5-in to 4-in Discharge Line, Pressure Relief, Freeze Guard

Protect and simplify your sump pump setup

ELK Freeze Relief 4-in acts as a smart inline transition between your 1.5-in sump pipe and the 4-in discharge line. It is designed to minimize weather related stress on lines, helping keep cold weather from impacting performance. By providing a controlled outlet for excess water and pressure, it can reduce backpressure and the chance of line damage, offering a practical upgrade for seasonal protection.

What it does for you

• Relieves excess water and pressure in the discharge line, supporting safer operation during freezing conditions.
• Provides a release path for pressure buildup, lowering the risk of backflow and potential damage to pipes.
• Helps protect the sump pump from undue stress during peak drainage events, contributing to system reliability.

Durability and compatibility

Constructed from high-grade polypropylene, this inline protector resists weathering and maintains stability in outdoor installations, outperforming many PVC alternatives in demanding environments.

Compatibility at a glance

• Fits standard 1.5-in sump pump PVC pipes and 4-in SDR 35 discharge pipes.
• Designed for straightforward inline installation between the 1.5-in suction line and the 4-in discharge line.

How to install quickly

• Shut off power and drain the portion of the system to be connected.
• Place the Freeze Relief inline between the 1.5-in sump pipe and the 4-in discharge pipe.
• Reconnect and secure connections, then test with water for leaks and proper flow.

Note: Benefits described reflect design features and typical use cases. Actual results depend on system setup and climate. This is a practical option to help support reliability and protection.