Lennox 49L91 Pressure Switch
Lennox 49L91 .51"WC SPST 1/4" barb connection Pressure Switch
49L91 is identical to 49L9101
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Lennox 49L91 .51"WC SPST 1/4" barb connection Pressure Switch
49L91 is identical to 49L9101
Be the first to ask a question about this.