The assembly features high-grade insulating materials to prevent voltage leakage and tracking

When your unit heater is throwing 1-flash codes or failing its pre-purge cycle

Designed to withstand the thermal stresses of high-duty cycles

ensuring exact mechanical fit and alignment

Integrating this DSI electrode assembly into your service routine ensures your gas-fired HVAC system operates with the startup reliability required in demanding industrial environments

MARS 43330 Pressure Switch 340155-7026 The assembly features high-grade insulatingThe MARS 43330 Pressure Switch is a professional grade high pressure cut out designed for precise system protection in residential and commercial HVAC R systems. Engineered as a fixed setting pressure control, this SPST high pressure switch features an automatic reset (A R) mechanism, opening the circuit on pressure rise at 400 PSI and closing it back at 280 PSI. This reliable electromechanical sensor is essential for preventing compressor damage due