This OEM replacement part is essential for preventing heat exchanger damage by disengaging the gas valve and activating the blower motor when internal plenum temperatures exceed safe operating parameters

OEM Precision: Guaranteed compatibility with Berko and QMark units

Versatile Media Compatibility: High-grade Buna-N elastomers provide excellent resistance to petroleum-based fluids and general pneumatic media

Full Flow Design: A 3/4 inch orifice maximizes GPM throughput

Hydrotherm 02-2406 Aquastat 320788-702 This OEM replacement part isThe Hydrotherm 02 2406 Aquastat is a mission critical immersion type temperature controller engineered for high performance hydronic systems. Featuring a Single Pole Single Throw (SPST) switching configuration, this rugged aquastat relay provides precise thermal regulation across a broad 40F to 240F operating range. Designed for direct insertion into the medium, the Hydrotherm 02 2406 functions as a reliable high limit or low limit control, ensuring