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Key Benefits Compatible with Armstrong 200
allowing for a "dry" upgrade that does not require system depressurization
This ASME Section IV certified safety valve is a staple for veteran technicians managing large-scale boilers and commercial hydronic systems
Using the OEM switch ensures the system operates within its tested safety parameters
ideal for mechanical room environments
Carrier HK06WC077 Pressure Switch 30067439-890 Key Benefits Compatible with ArmstrongThe Carrier HK06WC077 is an OEM replacement 2 stage air pressure switch designed for high efficiency gas furnaces. This dual Hi Lo component features two independent switches in one assembly to monitor inducer motor performance across high and low fire stages. The low fire switch is calibrated for a 0. 22" w. c. break, while the high fire switch is rated for a 0. 43" w. c. break. Manufactured by Honeywell as part number BA6838, this SPST normally open
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