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Transformers

AT40

AT40

Honeywell 40 VA transformers power 24V systems including thermostats, gas valves and relays.

AT72

AT72

Honeywell 40 VA transformers power 24V systems including thermostats, gas valves and relays.

AT140

AT140

Honeywell 40 VA general purpose transformers power 24 Vac circuits. Although typically used in heating/cooling control systems, they can be used in any application that doesn't exceed the load ratings.

Accessories

Accessories

Brackets and covers expand mounting options