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This switch acts as a primary safety interlock
If your application requires Liquid Propane (LP)
Is this switch compatible with Lochinvar Knight XL models
loud screeching
Honeywell Analytics 129570-L3 Sensor 319825-402 This switch acts as aThe Honeywell Analytics 129570 L3 Sensor is a mission critical combustible gas sensor engineered for high precision methane detection in hazardous locations. Designed as a direct drop in replacement for the S301D2COMB ME, this explosion proof catalytic bead sensor provides continuous monitoring to mitigate the risk of accumulated combustible gases. Calibrated with a specific GAIN of 1. 0 1. 3, it ensures linear signal output proportional to methane