Jandy Pro Series Pressure Switch | R0457001 Electric Grills Physical role: Serves as the

Physical role: Serves as the connector that secures the gauge to the filter plumbing

It's perfect for technicians handling routine upgrades in professional pool service

Brand & Line: Custom Molded Products (CMP)

Stackable Design: Space-saving and easy to store

Purpose-Built Power Vent Adaptation for Napoleon Fireplaces

Jandy Pro Series Pressure Switch | R0457001 Electric Grills Physical role: Serves as theWhat This Part Is Used For The Jandy R0457001 pressure switch is a heater safety component that verifies adequate water flow before allowing the heater to operate. It is used in compatible Jandy Pro Series heaters as part of the safety interlock chain. Why This Part Matters If the pressure switch is out of adjustment or failing, the heater may short cycle, refuse to fire, or shut down unexpectedly. A bypassed or incorrect switch can allow heating