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The FS4-3 is typically used in closed-loop hydronic or non-potable water systems
ensuring the system returns to optimal performance without risking compressor longevity
Direct OEM replacement for Carrier part number KAACH1901AAA
standard for most 3-ton York residential coils
Fenwal 12-G27120-022-07 Mounting Head 320788-703 The FS4-3 is typically usedThe Fenwal 12 G27120 022 07 is a high temperature Detect A Fire vertical mount unit engineered for precise thermal detection in hazardous or high stakes industrial environments. Utilizing a 300 stainless steel shell and hex mounting head, this sensor is built to withstand corrosive atmospheres while maintaining structural integrity. It features a 450F setpoint with a + 15F tolerance, operating on an Open on Rise circuit configuration. The V Fast
