this unit delivers exceptional stability and high sensitivity

leading to insufficient millivolt production

Its photoelectric sensor head is designed for high false alarm immunity

The handle can be removed entirely or reinserted in the "OFF" position

Can I use this for non-condensing furnaces

Reznor 174809 Pressure Switch R-410A this unit delivers exceptional stabilityThe Reznor 174809 Pressure Switch is a critical OEM safety component designed for precise airflow monitoring in gas fired heating units. This 1. 10"wc SPDT compression pressure switch (Single Pole Double Throw) ensures the inducer motor is moving sufficient combustion air before allow the ignition sequence to proceed. Engineered to replace the Reznor RZ174809 and compatible with the GFS3602 2997 specification, this switch is a direct fit solution for