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Common Questions What is the difference between the Spence E and E2 main valves
ensuring the expansion device functions correctly and prevents evaporator coil freeze-ups
it monitors a high gas pressure range of 2" to 16" W
Does this include the keyway
maintaining the manual reset or automatic functionality of the original 193-G Series
Resideo L4006A1959 Aquastat Controller 320788-702 Common Questions What is theThe Resideo L4006A1959 Aquastat Controller is a high performance immersion type device designed for the professional regulation of liquid temperatures in commercial boilers, storage tanks, and various hydronic heating systems. Engineered with a totally enclosed Micro Switch snap acting mechanism, this controller ensures reliable liquid temperature regulation within an operating range of 40F to 180F. The SPST contacts are configured to break on