Honeywell TK300-30 Sparco-Trol Ex Els PW 17895 this yellow sensor wire is

this yellow sensor wire is built to withstand the high-temperature environment of commercial HVAC systems

this 243-series orifice ensures mechanical compatibility and repeatable lock-up performance

preventing thermal overloads while ensuring efficient cycling

it serves as a drop-in solution for American Standard and Trane equipment where venting integrity or flue obstructions must be monitored

Honeywell TK300-30 Sparco-Trol Ex Els PW 17895 this yellow sensor wire isThe Honeywell TK300 30 Sparco Trol is a high performance hydronic expansion tank designed to maintain system pressure in closed loop heating and cooling applications. With a 4. 4 gallon tank capacity and a 1 2" NPT connection, this steel expansion tank effectively manages the thermal expansion of water to prevent relief valve discharge and piping stress. Field technicians recognize the TK300 30 as the direct ET 30 replacement, offering a seamless swap