Durable Construction: Heavy-duty copper capillary resists corrosion and fatigue in high-heat zones

0 Amps at full load

The Nordyne 151888R Orifice is a high-precision HVAC replacement part designed specifically for gas furnace inducer assembly applications

Reference the LED diagnostic light on the board surface

If the furnace blower runs continuously while the burners remain off

Lochinvar & A.O. Smith 100109151 Switch 319852-301 Durable Construction: Heavy-duty copper capillaryThe Lochinvar & A. O. Smith 100109151 is a critical safety component designed for high efficiency BTH (Best Tankless Hybrid) water heaters and commercial boilers. This Low Gas Pressure Switch is factory calibrated to a 5" WC (Water Column) set point, serving as a primary sentry to ensure safe combustion cycles. In the field, this switch monitors the incoming gas supply pressure to prevent the burner from firing under insufficient pressure conditions,