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![Digital Yacht CO Alert Carbon Monoxide Alarm w/NMEA 2000 [ZDIGCOALERT]](https://www.greathardwarecenter.com/wp-content/uploads/2026/09/digital-yacht-co-alert-carbon-monoxide-alarm-w-nmea-2000-zdigcoalert.webp)
Digital Yacht CO Alert Carbon Monoxide Alarm w/NMEA 2000 [ZDIGCOALERT]
Original price was: $271.96.$206.12Current price is: $206.12.
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![Fireboy-Xintex Auxiliary Relay [MB30-RLY]](https://www.greathardwarecenter.com/wp-content/uploads/2026/09/fireboy-xintex-auxiliary-relay-mb30-rly.webp)
Fireboy-Xintex Auxiliary Relay [MB30-RLY]
Original price was: $34.36.$21.46Current price is: $21.46.
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![Fireboy-Xintex Engine Shutdown System w/Round Display [ES-3000-01]](https://www.greathardwarecenter.com/wp-content/uploads/2026/09/fireboy-xintex-engine-shutdown-system-w-round-display-es-3000-01.webp)
Fireboy-Xintex Engine Shutdown System w/Round Display [ES-3000-01]
Original price was: $347.16.$202.53Current price is: $202.53.
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![Fireboy-Xintex Remote Loud Horn [RH-1]](https://www.greathardwarecenter.com/wp-content/uploads/2026/09/fireboy-xintex-remote-loud-horn-rh-1.webp)
Fireboy-Xintex Remote Loud Horn [RH-1]
Original price was: $34.36.$24.02Current price is: $24.02.
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FireboyXintex Auxiliary Relay MB30RLY
Original price was: $32.00.$16.79Current price is: $16.79.
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FireboyXintex CO Alarm 1224V DC Black CMD6MDBR
Original price was: $113.60.$79.38Current price is: $79.38.
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FireboyXintex CO Alarm 1224V DC White CMD6MDR
Original price was: $113.60.$76.24Current price is: $76.24.
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FireboyXintex CO Alarm 1224V DC wInterconnect Black CMD6MDRBR
Original price was: $132.00.$69.29Current price is: $69.29.
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FireboyXintex CO Alarm 1224V DC wInterconnect White CMD6MDRR
Original price was: $132.00.$93.33Current price is: $93.33.
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FireboyXintex CO Alarm Internal Battery Black CMD6MBBR
Original price was: $112.80.$63.50Current price is: $63.50.
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FireboyXintex CO Alarm Internal Battery White CMD6MBR
Original price was: $112.80.$77.49Current price is: $77.49.
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