ZSR104 | Zone Pump Relay 4 Zone | Caleffi Type_4 Prong Aluminum Hand Knob 76 MM Aluminum Handwheel: Jergens

76 MM Aluminum Handwheel: Jergens 22752The Jergens 22752 handwheel is a high-quality component designed for industrial applications

The LightBlue color indicator provides easy visual confirmation of the switch's status

ensuring a secure seal when the solenoid is de-energized

This vent assembly is engineered to specifically fit Reznor equipment

**Key Features:** * 1 5/8" diameter for handling cylindrical components * Compact design for use in confined spaces * Durable construction for industrial environments * Advanced cooling system for efficient temperature regulation * High airflow capacity for rapid moisture removal Whether you're looking to dehydrate pipes

ZSR104 | Zone Pump Relay 4 Zone | Caleffi Type_4 Prong Aluminum Hand Knob 76 MM Aluminum Handwheel: JergensCaleffi Zone Pump Relay (ZSR104)The Caleffi ZSR104 Zone Pump Relay is designed to control up to four (4) zone pumps. Each zone can be independently controlled, allowing for maximum flexibility and energy efficiency. The ZSR104 is ideal for use in hydronic heating and cooling systems. **Key Features:** * Controls up to four (4) zone pumps * Independent zone control for flexibility and energy efficiency * Suitable for hydronic heating and cooling