This #42 orifice spud is calibrated to ensure the correct air-to-fuel ratio

maintaining the integrity of the original furnace control board and gas valve operation

any TXV repair involving the cage requires the technician to verify and adjust the superheat to meet target system specifications

including MEP series actuators and VEB series valves that operate on a 0 to 10 VDC circuit

It is designed to be inserted into an existing TE-6300 series housing or sensor holder

Honeywell T678A1361 Contorller Els PW 29614 This #42 orifice spud isThe Honeywell T678A1361 Remote Bulb Controller is a heavy duty industrial thermostat designed for regulating the temperature of air or liquids in ducts, pipes, tanks, and boilers. This dual stage temperature controller features a wide 55F to 175F setpoint range and is a direct replacement for the HH29AA080 and T478A1002. Built with two SPDT output relays, it allows for seamless multi stage control of heating, cooling, or dual purpose HVACR systems.