The Jandy Hi-E2 Exhaust Vent Limit Switch (R0309000) is a critical safety component that pool service professionals rely on to protect Hi-E2 heater systems from dangerous overheating. This OEM replacement part ensures your commercial installations meet safety standards while preventing costly callbacks and liability issues.

Professional Service Benefits

Designed for pool service contractors who demand reliability, this single-use safety switch prevents burner operation when vent temperatures exceed safe limits (100°F-140°F range). The compact design fits perfectly on the vent diffuser above the combustion blower, making replacement straightforward for licensed technicians. Proper installation protects against carbon monoxide exposure and maintains heater warranty compliance.

Why Pool Contractors Choose MT Pools

MT Pools understands that heater safety components can't wait. Our superior customer service ensures you get genuine OEM parts with fast shipping to keep your service calls on schedule. With our B2B wholesale pricing and daily recurring customer support, you maintain healthy profit margins while delivering professional results.

Frequently Asked Questions

Order Your OEM Parts Today

Keep your service van stocked with genuine Jandy safety components. MT Pools delivers the reliability and support pool professionals need to maintain their reputation for quality service.