Weil McLain 635-100-010 Thermostat 30067439-890 meaning it closes the circuit

meaning it closes the circuit to trigger the fan at 190°F and opens the circuit to cut power at 30°F

It is frequently utilized as a replacement for 767A-311 and 767A-364 units

This 26-inch diameter fan blade features a 3-blade configuration with a 19-degree pitch

this Packard 100VA transformer is rated for 50/60Hz

Weil McLain 635-100-010 Thermostat 30067439-890 meaning it closes the circuitThe Weil McLain 635 100 010 is a heavy duty commercial thermostat designed for high demand hydronic heating and indirect water heater systems. Engineered to operate within a precise 90F to 190F temperature range, this mechanical stat is the OEM replacement for controlling Plus 80, Plus 100, Plus 120, and Gold Plus 100 110 119 series commercial water heaters. As a veteran grade HVAC control, it features a rugged bulb and capillary sensing element that