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Universal Integrated Circulator Furnace Control Kit 24 VAC

White Rodgers Cooling Controls 21M51U-843 Universal Integrated Circulator Furnace Control Kit, 24 VAC, 530 milli-amp, 5-1/4" W x 8" H x 1-1/4" D
  • 120 VAC igniter output, 2-speed inducer output, humidifier output, electronic air cleaner output, 3-speed PSC circulator output
  • 2-stage gas valve output
  • Furnace status LED
  • Heat fan OFF delay (dipswitch selectable)
  • Fan on delay for cooling
  • Auto second stage delay (dipswitch selectable mode)
  • Historical fault retrieval by push butTon
  • YLO, Y, W1, W2, R, G, C, twin terminals
  • Pressure switch inputs and monitoring
  • Flash micro-processor with non-volatile memory
  • Flame current measurement points
  • Relay load ratings - 1.5 amp at 24 VAC, 60 Hz gas valve relay, 2.2 amp full load - 3.5 amp locked rotor at 120 VAC inducer relay, 14.5 amp full load - 25 amp locked rotor at 120 VAC circulator relay, 1 amp humidifier load, electronic air cleaner load, 4 amp at 132 VAC, 60 Hz igniter relay
  • Includes universal nitride igniterSid Harvey Item #:21M51U-843: Replaces Part #:'s : CNT03077,

    White Rodgers 21M51U-843

Item#:
21M51U-843
Manufacturer Item:
21M51U-843
Manufacturer:
WHITE-RODGERS DIV OF COPELAND
 
21M51U-843_Spec

Universal Integrated Circulator Furnace Control Kit 24 VAC

White Rodgers Cooling Controls 21V51U-843 Universal 2-Stage Variable Speed Integrated ECM Control Kit with Nitride Ignitor, 25 VAC, 500 milli-amp
  • Includes ignition control module, wiring harness, nitride igniter and installation instructions
Sid Harvey Item #:21V51U-843: Replaces Part #:'s : 21V51U-843,

White Rodgers 21V51U-843

Item#:
21V51U-843
Manufacturer Item:
21V51U-843
Manufacturer:
WHITE-RODGERS DIV OF COPELAND
 
21V51U-843_Spec

Air Pressure Switch Kit 24/120/277 VAC SPDT 0.1-10" WC 14" WC

Robertshaw Right Choice 2374-510 Polycarbonate Glass Filled Universal Air Pressure Sensing Switch Kit, 24/120/277 VAC , SPDT, 0.1 - 10" WC, 14" WC Over
  • Contains a sensor diaphragm and an integral snap-in switch with (3) male 90 deg quick connect terminals
  • Silver contacts
  • The new universal air pressure sensing switch has field adjustable set points using the included adjustment tool
  • The switch comes in a contractor kit that includes the hardware and replacement hose
  • Flexibility, reliability, accuracy and ease-of-use
  • Works in a variety of harsh conditions
  • HVAC contractors now have a 1-stop option to meet all their air pressure switch needs
  • Straight type sample line connection for use with 3/16" Flexible rubber tubing
  • Includes air pressure sensor switch, (5) calibration springs, (4) orifice flows, (2) mounting brackets, calibration tool (hexagonal wrench)
,
,

Robertshaw 2374-510

Item#:
2374-510
Manufacturer Item:
2374-510
Manufacturer:
ROBERTSHAW CONTROLS CO.
 
2374-510_Install

Aquastat/Thermostat Excluding WH-10 & HWM-40

Amtrol Parts Hydromax Thermostat Mechanical Aquastat Control
  • 24 or 120 VAC capability
  • Diagnostic error codes to assist in troubleshooting
  • Built-in relays w/replaceable fuses
  • Intelligent "Memory Save" feature that eliminates post-outage resets
  • Low-voltage capability to guard against shutdown during brownout conditions
  • Color-coded and clearly labeled wire leads for ease of installation

    Amtrol Parts 2704-093

    • Item#:
    2704-093
    Manufacturer Item:
    393232
    Manufacturer:
    AMTROL INC
     
    2704-093_Install

    Chemical Sprayer 3 Gallon 30" Hose

    B&G Equipment 30-P Chemical Sprayer 3 Gallon 30" Hose
      ,
      ,

      B&G Equipment Company 30-P

    Item#:
    30-P
    Manufacturer Item:
    30-P
    Manufacturer:
    B&G EQUIPMENT COMPANY

    Target Wall Insulation

    Thermo Dynamics Boiler Parts 337817 Target Wall Insulation,

    337817

    Item#:
    337817
    Manufacturer Item:
    337817
    Manufacturer:
    WAYNE COMBUSTION SYSTEMS

    Natural/LP Gas Hot Surface Direct Spark Ignition Replacement 44L59, G765BCA-12

    Robertshaw Controls 35-605959-223 Natural/LP Gas Hot Surface Direct Spark Ignition Replacement 44L59, G765BCA-12,
    ,

    Robertshaw 35-605959-223

    Item#:
    35-605959-223
    Manufacturer Item:
    35-605959-223
    Manufacturer:
    ROBERTSHAW CONTROLS CO.
     
    35-605959-223_Install
    35-605959-223_Spec

    Rear Section

    Weil-McLain Heating Parts 316-301-211 Rear Section

    Weil-Mclain 316-301-211

    Item#:
    316-301-211
    Manufacturer Item:
    316301211
    Manufacturer:
    WEIL-MCLAIN

    Front Section

    Weil-McLain Heating Parts 316-301-210 Front Section

    Weil-Mclain 316-301-210

    Item#:
    316-301-210
    Manufacturer Item:
    316-301-210
    Manufacturer:
    WEIL-MCLAIN

    LGB Section N/Gasket

    Weil-McLain Heating Parts 313300110 LGB Section N/Gasket
      ,
      ,

      Weil-McLain Heating Parts 313300110

    Item#:
    313300110
    Manufacturer Item:
    313-300-110
    Manufacturer:
    WEIL-MCLAIN

    Section Assembly EGH-115 No Tankless Opening >>LIMITED STOCK CLEARANCE ITEM<<

    Weil-McLain Heating Parts 321711135 Section Assembly EGH-115

    Weil-McLain Heating Parts 321711135

    Item#:
    321711135
    Manufacturer Item:
    321-711-135
    Manufacturer:
    WEIL-MCLAIN

    EGH105 Section N/Tankless Opening

    Weil-McLain Heating Parts 321711125 EGH105 Section N/Tankless Opening

      ,
      ,

      Weil-McLain Heating Parts 321711125

    Item#:
    321711125
    Manufacturer Item:
    321-711-125
    Manufacturer:
    WEIL-MCLAIN
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