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    Triangle Tube

    At Triangle Tube we believe in making life comfortable and easy by keeping things simple and reliable. From easy installation of the Caleffi 548 Series Separator (Shown Mounted) to Wi-Fi connectivity for easy troubleshooting and up to a peace of mind 10-year warranty, the Instinct is designed for worry free performance.

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    Picture of KSR537 ELECTRONIC CONTROL MODULE, CSD-1

    KSR537 ELECTRONIC CONTROL MODULE, CSD-1

    TRIANGLE TUBE:KSR537
    SKU: TRIANGLE TUBE:KSR537
    $750.00
    Picture of KSR538 ELECTRONIC CONTROL MODULE, CSD-1

    KSR538 ELECTRONIC CONTROL MODULE, CSD-1

    TRIANGLE TUBE:KSR538
    SKU: TRIANGLE TUBE:KSR538
    $750.00
    Picture of KSR602 WATER FLOW SWITCH FOR FIELD MOUNT (KW285 ONLY)

    KSR602 WATER FLOW SWITCH FOR FIELD MOUNT (KW285 ONLY)

    TRIANGLE TUBE:KSR602
    SKU: TRIANGLE TUBE:KSR602
    $324.00
    Picture of KSR604 LWCO FOR FIELD MOUNT (KW285 TO KW850 ONLY)

    KSR604 LWCO FOR FIELD MOUNT (KW285 TO KW850 ONLY)

    TRIANGLE TUBE:KSR604
    SKU: TRIANGLE TUBE:KSR604
    $693.60
    Picture of KSR605 HIGH/LOW GPS FOR FIELD MOUNT (KW199 TO KW285 ONLY)

    KSR605 HIGH/LOW GPS FOR FIELD MOUNT (KW199 TO KW285 ONLY)

    TRIANGLE TUBE:KSR605
    SKU: TRIANGLE TUBE:KSR605
    $693.60
    Picture of KSR606 HIGH/LOW GPS FOR FIELD MOUNT (KS399 & KW399 TO KW600 ONLY)

    KSR606 HIGH/LOW GPS FOR FIELD MOUNT (KS399 & KW399 TO KW600 ONLY)

    TRIANGLE TUBE:KSR606
    SKU: TRIANGLE TUBE:KSR606
    $693.60
    Picture of KSR607 HIGH/LOW GPS FOR FIELD MOUNT (KW750 TO KW850 ONLY)

    KSR607 HIGH/LOW GPS FOR FIELD MOUNT (KW750 TO KW850 ONLY)

    TRIANGLE TUBE:KSR607
    SKU: TRIANGLE TUBE:KSR607
    $672.00
    Picture of KSR608 0-10 VDC SIGNAL CONVERTER

    KSR608 0-10 VDC SIGNAL CONVERTER

    TRIANGLE TUBE:KSR608
    SKU: TRIANGLE TUBE:KSR608
    $42.00
    Picture of KSR609 LWCO FACTORY MOUNTED

    KSR609 LWCO FACTORY MOUNTED

    TRIANGLE TUBE:KSR609
    SKU: TRIANGLE TUBE:KSR609
    $666.00
    Picture of KSR706 CONTROL CONVERSION 4A (SPECIAL ORDER) KS500

    KSR706 CONTROL CONVERSION 4A (SPECIAL ORDER) KS500

    TRIANGLE TUBE:KSR706
    SKU: TRIANGLE TUBE:KSR706
    $1,141.20
    Picture of KSR708 CONTROL CONVERSION 4A (SPECIAL ORDER) KS850

    KSR708 CONTROL CONVERSION 4A (SPECIAL ORDER) KS850

    TRIANGLE TUBE:KSR708
    SKU: TRIANGLE TUBE:KSR708
    $1,141.20
    Picture of KSR724 CPVC TAIL PIECE 24 (SPECIAL O

    KSR724 CPVC TAIL PIECE 24 (SPECIAL O

    TRIANGLE TUBE:KSR724
    SKU: TRIANGLE TUBE:KSR724
    $432.00
    Picture of KW199T KEYSTONE WATER HEATER (SPECIAL ORDER)

    KW199T KEYSTONE WATER HEATER (SPECIAL ORDER)

    TRIANGLE TUBE:KW199T
    SKU: TRIANGLE TUBE:KW199T
    $10,312.80
    Picture of KW285T KEYSTONE WATER HEATER (SPECIAL ORDER)

    KW285T KEYSTONE WATER HEATER (SPECIAL ORDER)

    TRIANGLE TUBE:KW285T
    SKU: TRIANGLE TUBE:KW285T
    $12,982.80
    Picture of KW399T KEYSTONE WATER HEATER (SPECIAL ORDER)

    KW399T KEYSTONE WATER HEATER (SPECIAL ORDER)

    TRIANGLE TUBE:KW399T
    SKU: TRIANGLE TUBE:KW399T
    $16,282.80
    Picture of KW500T KEYSTONE WATER HEATER (SPECIAL ORDER)

    KW500T KEYSTONE WATER HEATER (SPECIAL ORDER)

    TRIANGLE TUBE:KW500T
    SKU: TRIANGLE TUBE:KW500T
    $19,250.40
    Picture of KW600T KEYSTONE WATER HEATER (SPECIAL ORDER)

    KW600T KEYSTONE WATER HEATER (SPECIAL ORDER)

    TRIANGLE TUBE:KW600T
    SKU: TRIANGLE TUBE:KW600T
    $21,327.60
    Picture of KW750T KEYSTONE WATER HEATER (SPECIAL ORDER)

    KW750T KEYSTONE WATER HEATER (SPECIAL ORDER)

    TRIANGLE TUBE:KW750T
    SKU: TRIANGLE TUBE:KW750T
    $24,663.60
    Picture of KW850T KEYSTONE WATER HEATER (SPECIAL ORDER)

    KW850T KEYSTONE WATER HEATER (SPECIAL ORDER)

    TRIANGLE TUBE:KW850T
    SKU: TRIANGLE TUBE:KW850T
    $27,559.20
    Picture of LP CONVERSION KIT

    LP CONVERSION KIT

    TRIANGLE TUBE:MQRKIT04
    SKU: TRIANGLE TUBE:MQRKIT04
    $91.20
    Picture of MDRKIT01 DOMESTIC NTC SENSOR

    MDRKIT01 DOMESTIC NTC SENSOR

    TRIANGLE TUBE:MDRKIT01
    SKU: TRIANGLE TUBE:MDRKIT01
    $91.20
    Picture of MDRKIT02 AIR SWITCH

    MDRKIT02 AIR SWITCH

    TRIANGLE TUBE:MDRKIT02
    SKU: TRIANGLE TUBE:MDRKIT02
    $100.80
    Picture of MDRKIT03 MCBA CONTROL MODULE

    MDRKIT03 MCBA CONTROL MODULE

    TRIANGLE TUBE:MDRKIT03
    SKU: TRIANGLE TUBE:MDRKIT03
    $996.00
    Picture of MDRKIT04 CONTROL MODULE DISPLAY

    MDRKIT04 CONTROL MODULE DISPLAY

    TRIANGLE TUBE:MDRKIT04
    SKU: TRIANGLE TUBE:MDRKIT04
    $175.20
    Picture of MDRKIT05 SYSTEM TEMPERATURE SENSOR FOR CASCADE (IMMERSION)

    MDRKIT05 SYSTEM TEMPERATURE SENSOR FOR CASCADE (IMMERSION)

    TRIANGLE TUBE:MDRKIT05
    SKU: TRIANGLE TUBE:MDRKIT05
    $116.40
    Picture of MDRKIT06 CONTROL MODULE DISPLAY COVER

    MDRKIT06 CONTROL MODULE DISPLAY COVER

    TRIANGLE TUBE:MDRKIT06
    SKU: TRIANGLE TUBE:MDRKIT06
    $61.20
    Picture of MDRKIT08 IGNITER WITH GASKET

    MDRKIT08 IGNITER WITH GASKET

    TRIANGLE TUBE:MDRKIT08
    SKU: TRIANGLE TUBE:MDRKIT08
    $98.40
    Picture of MDRKIT09 BURNER PLATE INSULATION & GASKET

    MDRKIT09 BURNER PLATE INSULATION & GASKET

    TRIANGLE TUBE:MDRKIT09
    SKU: TRIANGLE TUBE:MDRKIT09
    $204.00
    Picture of METAL FIBER ASSEMBLY

    METAL FIBER ASSEMBLY

    TRIANGLE TUBE:MQRKIT40
    SKU: TRIANGLE TUBE:MQRKIT40
    $135.60
    Picture of MFSSKIT01 STAINLESS STEEL NIPPLE KIT 1-1/2 INCH

    MFSSKIT01 STAINLESS STEEL NIPPLE KIT 1-1/2 INCH

    TRIANGLE TUBE:MFSSKIT01
    SKU: TRIANGLE TUBE:MFSSKIT01
    $122.40
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