Imperial 405-RL Low Side Repair Kit
The Imperial 405-RL is a purpose-built low side repair kit designed to restore and maintain the performance of Imperial 300 and 400 Series brass manifold gauge sets. Whether you’re refurbishing a well-used manifold or replacing worn valve components in the field, this kit delivers the genuine Imperial parts needed to get your gauges back to peak operating condition.
Soft-Touch Knob Design
The 405-RL features Imperial’s signature soft-touch knob, engineered for comfortable, controlled valve operation. The ergonomic grip reduces hand fatigue during extended service calls and allows for precise low-side pressure adjustments — even when working in tight equipment compartments.
Compatible Manifold Series
- Imperial 300 Series brass manifold gauge sets
- Imperial 400 Series brass manifold gauge sets
Key Features
- Genuine Imperial replacement components for accurate, reliable repairs
- Soft-touch knob for improved grip and valve control
- Brass construction for durability and refrigerant compatibility
- Restores low-side valve function on 300 & 400 Series manifolds
- Convenient kit format — all necessary low-side repair parts in one package
- Ideal for HVAC/R technicians performing field or shop manifold maintenance
Applications
The 405-RL is the go-to solution for HVAC/R professionals looking to extend the service life of their Imperial brass manifold gauge sets. Rather than replacing an entire manifold assembly, this low side repair kit provides a cost-effective path to restoring proper valve sealing and smooth knob operation — keeping your diagnostic tools performing like new.
