30RA660026 | SEAL KIT | Carrier Application_Direct Vent Furnaces **Key Features** * Includes sensor 381-330-020 Brand_Safe Signal Sprinkler With advanced electronic circuitry

30RA660026 SEAL KIT Carrier Application_Direct Vent Furnaces **Key Features** * Includes sensor 381 330 020 Brand_Safe Signal Sprinkler With advanced electronic circuitry **Key Features** * Includes sensor and sensor lead * Compatible with ES2 Series 3 ESC and MPO IQ Series Boilers * Provides outdoor air temperature reset functionality **Benefits** * Enhances boiler efficiency by adjusting the boiler's operating temperature based on the outdoor air temperature * Reduces fuel consumption and operating costs * Extends the life of the boiler by reducing wear and tear **Applications** * Residential and commercial boilers * Hydronic heating systems * Industrial process heating **Technical Specifications** * Dimensions: 2 while the UL Listed standard guarantees safety and reliability