Modine 3H1009790003 Sensor 318172-701 the 661049R is specifically sized

the 661049R is specifically sized for natural gas applications

Replace the unit if the open circuit voltage drops below 17 mV or if the closed circuit reading falls below 8 mV

The Heil Quaker ICP 1066926 is a professional-grade 4-ton R22 TXV valve engineered for precise refrigerant metering in residential and light commercial cooling systems

Optimizes burner performance by matching fuel density to orifice sizing

Modine 3H1009790003 Sensor 318172-701 the 661049R is specifically sizedThe Modine 3H1009790003 Sensor is a critical moisture detection component engineered for industrial HVAC water damage prevention. As a precision calibrated Modine flood sensor, this device provides instantaneous continuity signals to the primary controller upon detecting liquid accumulation, facilitating an immediate HVAC system shutdown. Designed for low profile integration within secondary drain pans or unit heater chassis, it acts as a fail safe