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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 KSR420 REAR REFRACTORY TILE

    KSR420 REAR REFRACTORY TILE

    TRIANGLE TUBE:KSR420
    SKU: TRIANGLE TUBE:KSR420
    $93.60
    Picture of KSR422 MAIN BURNER W/ GASKET

    KSR422 MAIN BURNER W/ GASKET

    TRIANGLE TUBE:KSR422
    SKU: TRIANGLE TUBE:KSR422
    $1,330.80
    Picture of KSR423 MAIN BURNER W/ GASKET

    KSR423 MAIN BURNER W/ GASKET

    TRIANGLE TUBE:KSR423
    SKU: TRIANGLE TUBE:KSR423
    $1,330.80
    Picture of KSR424 MAIN BURNER W/ GASKET

    KSR424 MAIN BURNER W/ GASKET

    TRIANGLE TUBE:KSR424
    SKU: TRIANGLE TUBE:KSR424
    $1,422.00
    Picture of KSR425 MAIN BURNER W/ GASKET

    KSR425 MAIN BURNER W/ GASKET

    TRIANGLE TUBE:KSR425
    SKU: TRIANGLE TUBE:KSR425
    $1,594.80
    Picture of P3KITWRS01 WIRE HARNESS & SNAP SET

    P3KITWRS01 WIRE HARNESS & SNAP SET

    TRIANGLE TUBE:P3KITWRS01
    SKU: TRIANGLE TUBE:P3KITWRS01
    $54.00
    Picture of P3KNB02 KNOB: SMART LINE

    P3KNB02 KNOB: SMART LINE

    TRIANGLE TUBE:P3KNB02
    SKU: TRIANGLE TUBE:P3KNB02
    $24.00
    Picture of P3KITDT09 1 1/2 RECIRCULATING DIP TUBE

    P3KITDT09 1 1/2 RECIRCULATING DIP TUBE

    TRIANGLE TUBE:P3KITDT09
    SKU: TRIANGLE TUBE:P3KITDT09
    $100.80
    Picture of P3KITTH01 Triangle Tube P3KITTH01 160° F Aquastat For Residential Indirect Water Heaters (Thermostat Kit)

    P3KITTH01 Triangle Tube P3KITTH01 160° F Aquastat For Residential Indirect Water Heaters (Thermostat Kit)

    TRIANGLE TUBE:P3KITTH01
    SKU: TRIANGLE TUBE:P3KITTH01
    $66.08
    Picture of P3KITTH03 Triangle Tube P3KITTH03 194° F Aquastat For Commercial Indirect Water Heaters (Thermostat Kit)

    P3KITTH03 Triangle Tube P3KITTH03 194° F Aquastat For Commercial Indirect Water Heaters (Thermostat Kit)

    TRIANGLE TUBE:P3KITTH03
    SKU: TRIANGLE TUBE:P3KITTH03
    $72.00
    Picture of P3KITTH04 KIT: THERMOSTAT (COMFORT)

    P3KITTH04 KIT: THERMOSTAT (COMFORT)

    TRIANGLE TUBE:P3KITTH04
    SKU: TRIANGLE TUBE:P3KITTH04
    $57.60
    Picture of P3KITTHR01 THERMOMETER

    P3KITTHR01 THERMOMETER

    TRIANGLE TUBE:P3KITTHR01
    SKU: TRIANGLE TUBE:P3KITTHR01
    $56.40
    Picture of P3KITTOP03 TOP CAP

    P3KITTOP03 TOP CAP

    TRIANGLE TUBE:P3KITTOP03
    SKU: TRIANGLE TUBE:P3KITTOP03
    $139.20
    Picture of P3KITTOP04 TOP CAP

    P3KITTOP04 TOP CAP

    TRIANGLE TUBE:P3KITTOP04
    SKU: TRIANGLE TUBE:P3KITTOP04
    $200.40
    Picture of P3KITTOP05 KIT: TOP COMFORT

    P3KITTOP05 KIT: TOP COMFORT

    TRIANGLE TUBE:P3KITTOP05
    SKU: TRIANGLE TUBE:P3KITTOP05
    $85.20
    Picture of PSRKIT43 GAS SUPPLY PIPING

    PSRKIT43 GAS SUPPLY PIPING

    TRIANGLE TUBE:PSRKIT43
    SKU: TRIANGLE TUBE:PSRKIT43
    $243.60
    Picture of PSRKIT46 COMBUSTION AIR INLET ADAPTER

    PSRKIT46 COMBUSTION AIR INLET ADAPTER

    TRIANGLE TUBE:PSRKIT46
    SKU: TRIANGLE TUBE:PSRKIT46
    $252.00
    Picture of PSRKIT47 Triangle Tube PSRKIT47 NTC Supply / Return Temperature Sensor For Prestige Solo 399 (NTC1, NTC2)

    PSRKIT47 Triangle Tube PSRKIT47 NTC Supply / Return Temperature Sensor For Prestige Solo 399 (NTC1, NTC2)

    TRIANGLE TUBE:PSRKIT47
    SKU: TRIANGLE TUBE:PSRKIT47
    $105.60
    Picture of PSRKIT48 BOILER PIPING - RETURN ASSEMBLY

    PSRKIT48 BOILER PIPING - RETURN ASSEMBLY

    TRIANGLE TUBE:PSRKIT48
    SKU: TRIANGLE TUBE:PSRKIT48
    $278.40
    Picture of PSRKIT49 BOILER PIPING - SUPPLY ASSEMBLY

    PSRKIT49 BOILER PIPING - SUPPLY ASSEMBLY

    TRIANGLE TUBE:PSRKIT49
    SKU: TRIANGLE TUBE:PSRKIT49
    $388.80
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