Schneider Electric (Barber Colman) AT-11-500 Thermostat Cover While primarily designed for steam

While primarily designed for steam to dissipate heat

Its high-efficiency windings are designed to withstand the thermal cycling typical of attic and crawlspace furnace installations

this switch is rated for use with both traditional refrigerants like R22 and high-pressure refrigerants like R410A within its specified 35 PSI to 60 PSI range

5 Cv models

this wye strainer is built for high-pressure industrial and commercial piping systems

Schneider Electric (Barber Colman) AT-11-500 Thermostat Cover While primarily designed for steamThe Schneider Electric AT 11 500 Thermostat Cover is a professional grade HVAC enclosure engineered for the rugged demands of commercial and industrial environments. This dual window thermostat cover provides critical protection for sensitive controls against unauthorized tampering, dust accumulation, and physical impact. It is the direct OEM replacement for legacy Barber Colman AT 11 399, AT 21 403, and AT 24 399 models. Designed primarily for the