Built for reliability in demanding HVACR environments

Key Benefits OEM Compatibility: Specifically calibrated for Raypak Digital and Low NOx pool heaters

Durable Construction: Features a stainless steel insertion probe and galvanized steel enclosure to resist moisture and industrial contaminants

If the system is short cycling or disconnected despite being above 41°F

Using these OEM Raypak gaskets ensures the material is rated for the specific chemical load of a pool or spa environment

MARS 43313 Cycling Switch Built for reliability in demandingThe MARS 43313 Manual Reset Cycling Switch is a heavy duty HVAC pressure control designed for precise condenser fan management in R 410A systems and other high pressure applications. Engineered with a 410 PSI open on rise setpoint, this SPST switch provides critical high limit protection by interrupting the circuit when system pressures exceed safe operational thresholds. The manual reset feature ensures that technicians can investigate the root cause