Hydrotherm 02-2406 Aquastat 320735-701 the Trane CNT3278 is specifically

the Trane CNT3278 is specifically calibrated for natural gas applications and utilizes a 1/2-inch NPT inlet/outlet for standard piping compatibility

3" WC Rating: Calibrated to meet exact factory specifications for accurate furnace pressure switch troubleshooting

Accurate installation of this direct-fit shroud restores factory-standard ventilation efficiency and prevents premature motor failure in Reznor gas-fired heaters

Calibration is performed via the adjustment screw on the dial face after removing the protective lens

Is the Lennox 87H92 interchangeable with the 20121901

Hydrotherm 02-2406 Aquastat 320735-701 the Trane CNT3278 is specificallyThe Hydrotherm 02 2406 Aquastat is a mission critical immersion type temperature controller engineered for high performance hydronic systems. Featuring a Single Pole Single Throw (SPST) switching configuration, this rugged aquastat relay provides precise thermal regulation across a broad 40F to 240F operating range. Designed for direct insertion into the medium, the Hydrotherm 02 2406 functions as a reliable high limit or low limit control, ensuring