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LH33ZS001A
Contractors should verify the water column rating on the existing failed switch to ensure a 27W17 Lennox cross-reference matches the specific pressure requirements of the heat exchanger
this OEM component ensures exact mechanical alignment with the valve stem
this SPST (Single Pole Single Throw) component serves as a critical safety limit
BASO H91DG-12C REVB Gas Valve 30067439-890 LH33ZS001AThe BASO H91DG 12C REVB Gas Valve is a heavy duty, 2 wire electrically operated shut off valve designed for precise gas flow regulation in high demand heating applications. This 1 2" NPT automatic gas valve serves as the direct H91DG 12 replacement, featuring an updated electrical connection modificationtypically involving 30 inch leads or a conduit DIN connectionto ensure secure integration with modern control boards. Engineered for a 25V AC signal