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Sending Units Monitor

Steveston Marine & Hardware has a large selection of Sending Units and Monitors for your boat! We have products from Martech, Faria, Aqualarm, and many more! You can find these products in one of our stores located in Vancouver, Richmond, or Langley!


Martech Co Detector 12V Flush Mnt New

Martech Co Detector 12V Flush Mnt New

SAFE-T-ALERT offer a flush-mount carbon monoxide detector that sounds an audible noise alerting you..

$149.99

Martech Co Detector 12V Surface Mnt Discontinued

Martech Co Detector 12V Surface Mnt Discontinued

Advanced Technology. Alarm Mute button silences alarm while RV is ventilated. Rapid recovery sens..

$150.47

Martech Fume/Fire/High Bilge Detector

Martech Fume/Fire/High Bilge Detector

(Special Order Item) Price Per: 1 EA ..

$269.99

Martech High Bilge Water Alarm

Martech High Bilge Water Alarm

(Special Order Item) Price Per: 1 EA ..

$98.74

Martech Propane/Nat.Gas Det.Surface Mt

Martech Propane/Nat.Gas Det.Surface Mt

Price Per: 1 EA ..

$130.99

Martech Single Station Smoke Alarm

Martech Single Station Smoke Alarm

price per 1each..

$42.99

Martech Surface Case Gasoline Detector

Martech Surface Case Gasoline Detector

(Special Order Item) Price Per: 1 EA ..

$162.99

Faria Sender Oil Press' 1/8 Npt 80Psi

Faria Sender Oil Press' 1/8 Npt 80Psi

Faria Sender Oil Press' 1/8 Npt 80Psi..

$71.99

Acu-Gage Monitor 1 Tank Led Mini Kit

Acu-Gage Monitor 1 Tank Led Mini Kit

Acu-Gage Monitor 1 Tank Led Mini Kit..

$251.99

Acu-Gage Monitor Lcd 4 Tank Kit Integrity

Acu-Gage Monitor Lcd 4 Tank Kit Integrity

Acu-Gage Monitor Lcd 4 Tank Kit Integrity..

$608.79

Aqualarm Alarm Bilge Pump

Aqualarm Alarm Bilge Pump

Aqualarm Alarm Bilge Pump..

$87.90

Aqualarm Alarm Kit Exhaust Overheat Blk

Aqualarm Alarm Kit Exhaust Overheat Blk

Aqualarm Alarm Kit Exhaust Overheat Blk..

$102.97

Aqualarm Bell Only Red 12V (Rba12)

Aqualarm Bell Only Red 12V (Rba12)

Aqualarm Bell Only Red 12V (Rba12)..

$105.97

Aqualarm Bell Only Red 24V (Rba24)

Aqualarm Bell Only Red 24V (Rba24)

Aqualarm Bell Only Red 24V (Rba24)..

$112.97

Aqualarm Bell Only Red 32V (Rba32)

Aqualarm Bell Only Red 32V (Rba32)

Aqualarm Bell Only Red 32V (Rba32)..

$101.92

Aqualarm Circuit Board 12V (851-12)

Aqualarm Circuit Board 12V (851-12)

Aqualarm Circuit Board 12V (851-12)..

$121.97

Aqualarm Circuit Board 32V (851-32)

Aqualarm Circuit Board 32V (851-32)

Aqualarm Circuit Board 32V (851-32)..

$113.38

Aqualarm Counter Bilge Pump 12-32V

Aqualarm Counter Bilge Pump 12-32V

Aqualarm Counter Bilge Pump 12-32V..

$105.97

Aqualarm Detector 135 Fire/Rate Of Rise

Aqualarm Detector 135 Fire/Rate Of Rise

Aqualarm Detectr 135 Fire/Rate Of Rise..

$95.97

Aqualarm Detector 194 Fire/Rate Of Rise

Aqualarm Detector 194 Fire/Rate Of Rise

Aqualarm Detectr 194 Fire/Rate Of Rise..

$92.97

Aqualarm Detector Water Flow 1" (210)

Aqualarm Detector Water Flow 1" (210)

Aqualarm Detector Water Flow 1" (210)..

$168.97

Aqualarm Detector Water Flow 11/2(206)

Aqualarm Detector Water Flow 11/2(206)

Aqualarm Detector Water Flow 11/2(206)..

$168.97

Aqualarm Detector Water Flow 2" (200)

Aqualarm Detector Water Flow 2" (200)

Aqualarm Detector Water Flow 2" (200)..

$183.49

Aqualarm Detector Water Loflow 1"(306)

Aqualarm Detector Water Loflow 1"(306)

Aqualarm Detector Water Loflow 1"(306)..

$168.97

Aqualarm Detectr Bilge Level (208A)

Aqualarm Detectr Bilge Level (208A)

Aqualarm Detectr Blg Level (208A)..

$66.97

Aqualarm Detectr Low Oil 1/8" (202)

Aqualarm Detectr Low Oil 1/8" (202)

Aqualarm Detectr Low Oil 1/8" (202)..

$42.97

Aqualarm Door/Window Sensor Wireless

Aqualarm Door/Window Sensor Wireless

Aqualarm Door/Window Sensor Wireless..

$87.90

Aqualarm Emergency Dialer

Aqualarm Emergency Dialer

Aqualarm Emergency Dialer..

$128.97

Aqualarm Engine Over Heat 1/2"200F (212A) Discontinued

Aqualarm Engine Over Heat 1/2"200F (212A) Discontinued

Aqualarm Engine Over Heat 1/2"200F (212A)..

$99,999.00

Aqualarm Engine Overheat 200F (212)

Aqualarm Engine Overheat 200F (212)

Aqualarm Engine Overheat 200F (212)..

$41.97

Aqualarm Engine Temp Monitor Black

Aqualarm Engine Temp Monitor Black

Aqualarm Engine Temp Monitor Black..

$102.99

Aqualarm Fire Monitor W/204A

Aqualarm Fire Monitor W/204A

Aqualarm Fire Monitr W/204A..

$134.97

Aqualarm Horn Beeper Type 12V (Ea-12)

Aqualarm Horn Beeper Type 12V (Ea-12)

Aqualarm Horn Beeper Type 12V (Ea-12)..

$41.97

Aqualarm Horn Siren Type 12V (Ea-12A)

Aqualarm Horn Siren Type 12V (Ea-12A)

Aqualarm Horn Siren Type 12V (Ea-12A)..

$78.97

Aqualarm Key Fob Remote Wireless

Aqualarm Key Fob Remote Wireless

Aqualarm Key Fob Remote Wireless..

$75.16

Aqualarm Moniter Bilge Pump 12V

Aqualarm Moniter Bilge Pump 12V

Aqualarm Moniter Bilge Pump 12V..

$189.82

Aqualarm Motion Sensor

Aqualarm Motion Sensor

Aqualarm Motion Sensor..

$100.64

Aqualarm Security System Wireless 12V

Aqualarm Security System Wireless 12V

Aqualarm Security System Wireless 12V..

$380.97

Aqualarm Siren Outdoor Wireless

Aqualarm Siren Outdoor Wireless

Aqualarm Siren Outdoor Wireless..

$146.50

Aqualarm Smoke Detector 12/24V

Aqualarm Smoke Detector 12/24V

Aqualarm Smoke Detector 12/24V..

$156.97

Aqualarm Smoke Warning Panel 12V

Aqualarm Smoke Warning Panel 12V

Aqualarm Smoke Warning Panel 12V..

$32.97

Aqualarm Smoke Warning Panel 24V Discontinued

Aqualarm Smoke Warning Panel 24V Discontinued

Aqualarm Smoke Warning Panel 24V..

$99,999.00

Aqualarm Switch Kit Bilge Pump (Ss20912)

Aqualarm Switch Kit Bilge Pump (Ss20912)

Aqualarm Switch Kit Bilge Pump (Ss20912)..

$155.97

Aqualarm Sys Dual Eng W/Bell (Asm12T)

Aqualarm Sys Dual Eng W/Bell (Asm12T)

Aqualarm Sys Dual Eng W/Bell (Asm12T)..

$763.10

Aqualarm Sys Ii Last Watch 12V (Lwsii)

Aqualarm Sys Ii Last Watch 12V (Lwsii)

Aqualarm Sys Ii Last Watch 12V (Lwsii)..

$307.97

Aqualarm Sys Single Eng W/Bell (Asm12S)

Aqualarm Sys Single Eng W/Bell (Asm12S)

Aqualarm Sys Single Eng W/Bell (Asm12S)..

$503.97

Aqualarm Visual Ind Pan Dl Eng (853)

Aqualarm Visual Ind Pan Dl Eng (853)

Aqualarm Visual Ind Pan Dl Eng (853)..

$91.72

Aqualarm Visual Ind Pan Sg Eng (852)

Aqualarm Visual Ind Pan Sg Eng (852)

Aqualarm Visual Ind Pan Sg Eng (852)..

$53.97

Showing 1 to 48 of 418 (9 Pages)