Spence Engineering TA120220 Thermo Assembly Els PW 29614 the Watts 740 series utilizes

the Watts 740 series utilizes non-metallic disc-to-metal seating and a stainless steel spring to resist corrosive water conditions and prevent "sticking" or freezing

the KMC Controls CSC-3021-10 is the standard for contractors seeking durable

eliminating the need for mounting bracket modifications or electrical lead splicing commonly associated with universal aftermarket motors

For most BMS controller runs

Spence Engineering TA120220 Thermo Assembly Els PW 29614 the Watts 740 series utilizesThe Spence Engineering TA120220 Thermo Assembly is a heavy duty vapor tension thermal element designed for precision temperature control in steam operated systems. Built for compatibility with the Spence T14 temperature pilot and Type E main valves, this assembly operates within a specific 120 220F temperature range, making it a standard for storage heaters, jacketed kettles, and large scale domestic water heating. This replacement Spence thermostat