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including the legacy Robertshaw 802 series
Lennox 49L02 140-170F Auto Limit Switch Replaces: 27K14
In low and high-pressure hydronic loops
67-amp current for 24V boiler controls
Cleveland Control AFS-228-121 Switch including the legacy Robertshaw 802The Cleveland Controls AFS 228 121 is a professional grade adjustable air pressure switch designed as a general purpose proving switch for high demand HVACR and energy management systems. This field adjustable unit features a broad operating range of . 05" to 12. 0" w. c., providing technicians the flexibility to sense positive, negative, or differential air pressure across filters, coils, and fans. Engineered with a robust SPDT contact arrangement