Lennox 38F91 Defrost Thermostat HVAC Control Heat Management voomi_id_12009 Economizer: Included

Economizer: Included

MPN: 158-959

This 12x21 mesh guard protects HVAC coils from hail and other debris

model X4136

Lennox 38F91 Defrost Thermostat HVAC Control Heat Management voomi_id_12009 Economizer: IncludedProduct Description The Lennox 38F91 Defrost Thermostat is designed for HVAC systems to regulate defrost cycles. This thermostat helps maintain efficiency in heating systems by preventing ice buildup on heat exchangers. Proper management of defrost cycles enhances the performance and longevity of your heating system. Designed for HVAC applications Helps manage defrost cycles Enhances heating system performance Product Highlights This defrost