Honeywell TK300-30 Sparco-Trol Ex Els PW 17895 or a relay that "chatters"

or a relay that "chatters" or stays "stuck closed

the 90-T40F2 utilizes color-coded wire leads for a permanent

By utilizing this WS-8541-120KS VAL017 repair kit

Direct Application Fit: Direct replacement for ICM205

Honeywell TK300-30 Sparco-Trol Ex Els PW 17895 or a relay that "chatters"The 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