The Cleveland Controls DFS-221-156 is a heavy-duty

Technicians will find this ambient air temperature sensor reliable for harsh environments where industrial-grade weatherproof HVAC sensors are required to maintain tight deadbands and peak system efficiency

Using this on Natural Gas will result in improper combustion and potential safety hazards

delivering reliable torque at a rated speed of 1550 RPM

Johnson Controls Y64T15-0 Transformer THPU32HP7Y The Cleveland Controls DFS-221-156 isTransformer, 120 208 240 V Primary, 24 V Secondary, 92 Va with Circuit Breaker, Foot Mounting, Male Fitting with 8 " Leads ( Primary Connections ), Female Fitting with 30" Leads ( Secondary Connection )