Nordyne 904781 Heat Exchanger 318423-701 Broad Replacement Compatibility: Serves as

Broad Replacement Compatibility: Serves as the official successor to legacy models like the F61LB-1 and the plastic-housed F61SB-9100

The Weil McLain 510-218-099 is rated for a maximum system pressure of 60 PSI

meaning it will re-close the circuit once the suction pressure rises above the setpoint plus the differential

Can this switch be used for sensing air pressure

the thickness ensures the flame sensor electrode is seated at the correct depth within the flame envelope

Nordyne 904781 Heat Exchanger 318423-701 Broad Replacement Compatibility: Serves asThe Nordyne 904781 Heat Exchanger is an critical OEM furnace replacement part engineered for high efficiency heat transfer in Nordyne, Miller, and Intertherm gas fired heating systems. Designed to withstand the thermal stress of residential and light commercial duty cycles, this primary heat exchanger ensures clean separation between combustion gases and the indoor air stream. As a genuine Nordyne 904781 component, it maintains the precise static