Pros, Join Our TradeMaster Program!
Indirect Water Heater Parts and Accessories

Indirect Water Heater Parts and Accessories

  • SmartControl<br>w/ Thermistor Product Image
    Add to List
    Add to List
    SmartControl w/ Thermistor 396411 SmartControl w/ Thermistor
    SKU: 396411
    Brand: Amtrol
    (7)
    $243.61 each
      Box Up & Save 9%  
    $666.51 box of 3
    $222.17 each
    72
    Tue, Feb 2
    72
    QtyArrives
    72 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
  • Flange Gaskets Product Image
    Add to List
    Add to List
    Flange Gaskets 2500-218 Flange Gaskets
    SKU: 2500-218
    Brand: Amtrol
    (6)
    $7.46 each
    52
    Tue, Feb 2
    52
    QtyArrives
    52 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
  • Residential Thermostat (Aquastat) Kit for Weil McLain Indirect and Gold Plus Water Heaters Product Image
    Add to List
    Add to List
    Residential Thermostat (Aquastat) Kit for Weil McLain Indirect and Gold Plus Water Heaters 633-900-130 Residential Thermostat (Aquastat) Kit for Weil McLain Indirect and Gold Plus Water Heaters
    SKU: 633-900-130
    Brand: Weil-McLain
    (30)
    $115.99 each
    38
    Tue, Feb 2
    38
    QtyArrives
    38 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
  • Aquastat/Thermostat Product Image
    Add to List
    Add to List
    Aquastat/Thermostat 2704-093 Aquastat/Thermostat
    SKU: 2704-093
    Brand: Amtrol
    (23)
    $102.91 each
    25
    Tue, Feb 2
    25
    QtyArrives
    25 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
  • Thermostat w/ Cover Plate Kit for Water Heater Product Image
    Add to List
    Add to List
    Thermostat w/ Cover Plate Kit for Water Heater 633-900-102 Thermostat w/ Cover Plate Kit for Water Heater
    SKU: 633-900-102
    Brand: Weil-McLain
    $178.10 each
    15
    Tue, Feb 2
    18
    QtyArrives
    15 Tue, Feb 2
    3 Tue, Feb 2 – Wed, Feb 3
    Questions? Call 1-888-757-4774
    Add to List
  • Thermistor Product Image
    Add to List
    Add to List
    Thermistor 2704-259 Thermistor
    SKU: 2704-259
    Brand: Amtrol
    (3)
    $28.70 each
    20
    Tue, Feb 2
    20
    QtyArrives
    20 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
  • Top Outlet for O-Ring Product Image
    Add to List
    Add to List
    Top Outlet for O-Ring 2500-178 Top Outlet for O-Ring
    SKU: 2500-178
    Brand: Amtrol
    $1.26 each
    Mon, Feb 22 – Mon, Mar 1
    Arrives
    Mon, Feb 22 – Mon, Mar 1
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Well Assembly<br>for Aquastat/Thermostat Product Image
    Add to List
    Add to List
    Well Assembly for Aquastat/Thermostat 2700-924 Well Assembly for Aquastat/Thermostat
    SKU: 2700-924
    Brand: Amtrol
    (7)
    $63.60 each
    5
    Tue, Feb 2
    5
    QtyArrives
    5 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
  • 3/4" Temperature/Pressure Relief Valve Product Image
    Add to List
    Add to List
    3/4" Temperature/Pressure Relief Valve 633-500-038 3/4" Temperature/Pressure Relief Valve
    SKU: 633-500-038
    Brand: Weil-McLain
    (1)
    $48.99 each
    3
    Tue, Feb 2
    3
    QtyArrives
    3 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
  • Z Control Retrofit Kit Product Image
    Add to List
    Add to List
    Z Control Retrofit Kit 2704-392 Z Control Retrofit Kit
    SKU: 2704-392
    Brand: Amtrol
    (2)
    $207.58 each
    Mon, Feb 22 – Mon, Mar 1
    Arrives
    Mon, Feb 22 – Mon, Mar 1
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Top Outlet<br>(Outlet "T" Package) Product Image
    Add to List
    Add to List
    Top Outlet (Outlet "T" Package) 2700-635 Top Outlet (Outlet "T" Package)
    SKU: 2700-635
    Brand: Amtrol
    $71.56 each
    Mon, Feb 22 – Mon, Mar 1
    Arrives
    Mon, Feb 22 – Mon, Mar 1
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Control Kit Product Image
    Add to List
    Add to List
    Control Kit 633-600-011 Control Kit
    SKU: 633-600-011
    Brand: Weil-McLain
    $95.99 each
    Mon, Feb 15 – Mon, Feb 22
    Arrives
    Mon, Feb 15 – Mon, Feb 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Sensor Well - Bottom Product Image
    Add to List
    Add to List
    Sensor Well - Bottom 383-700-214 Sensor Well - Bottom
    SKU: 383-700-214
    Brand: Weil-McLain
    $33.89 each
    Mon, Feb 15 – Mon, Feb 22
    Arrives
    Mon, Feb 15 – Mon, Feb 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Circulator Flange w/ 90-degree Elbow Product Image
    Add to List
    Add to List
    Circulator Flange w/ 90-degree Elbow 560-907-735 Circulator Flange w/ 90-degree Elbow
    SKU: 560-907-735
    Brand: Weil-McLain
    $46.99 each
    Mon, Feb 15 – Mon, Feb 22
    Arrives
    Mon, Feb 15 – Mon, Feb 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Positioning Plugs (Set of 2) Product Image
    Add to List
    Add to List
    Positioning Plugs (Set of 2) 7338930 Positioning Plugs (Set of 2)
    SKU: 7338930
    Brand: Viessmann
    $4.74 each
    1
    Tue, Feb 2
    1
    QtyArrives
    1 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
  • Sensor Well - Top Sensor Product Image
    Add to List
    Add to List
    Sensor Well - Top Sensor 383-700-213 Sensor Well - Top Sensor
    SKU: 383-700-213
    Brand: Weil-McLain
    $38.89 each
    Mon, Feb 15 – Mon, Feb 22
    Arrives
    Mon, Feb 15 – Mon, Feb 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Ener-G-NET Digital Control Product Image
    Add to List
    Add to List
    Ener-G-NET Digital Control 940R2 Ener-G-NET Digital Control
    SKU: 940R2
    Brand: Amtrol
    (1)
    $259.99 each
    Mon, Feb 22 – Mon, Mar 1
    Arrives
    Mon, Feb 22 – Mon, Mar 1
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Top Cover Half for HM-41 & HM-80 Product Image
    Add to List
    Add to List
    Top Cover Half for HM-41 & HM-80 2704R512 Top Cover Half for HM-41 & HM-80
    SKU: 2704R512
    Brand: Amtrol
    $32.79 each
    Mon, Mar 1 – Mon, Mar 29
    Arrives
    Mon, Mar 1 – Mon, Mar 29
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Circulator Flange, 1" NPT Product Image
    Add to List
    Add to List
    Circulator Flange, 1" NPT 563-910-026 Circulator Flange, 1" NPT
    SKU: 563-910-026
    Brand: Weil-McLain
    $4.93 each
    Mon, Feb 15 – Mon, Feb 22
    Arrives
    Mon, Feb 15 – Mon, Feb 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • T&P Relief Vlv 100XL for Alliance Indirect Water Heaters (AL27SL-AL70SL) Product Image
    Add to List
    Add to List
    T&P Relief Vlv 100XL for Alliance Indirect Water Heaters (AL27SL-AL70SL) 101540-01 T&P Relief Vlv 100XL for Alliance Indirect Water Heaters (AL27SL-AL70SL)
    SKU: 101540-01
    Brand: Burnham
    $62.99 each
    Mon, Feb 15 – Mon, Feb 22
    Arrives
    Mon, Feb 15 – Mon, Feb 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Circulator Flange Bolts Product Image
    Add to List
    Add to List
    Circulator Flange Bolts 562-136-260 Circulator Flange Bolts
    SKU: 562-136-260
    Brand: Weil-McLain
    $1.89 each
    Mon, Feb 15 – Mon, Feb 22
    Arrives
    Mon, Feb 15 – Mon, Feb 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Jacket Replacement Kit Product Image
    Add to List
    Add to List
    Jacket Replacement Kit 633-500-135 Jacket Replacement Kit
    SKU: 633-500-135
    Brand: Weil-McLain
    $231.99 each
    Mon, Feb 15 – Mon, Feb 22
    Arrives
    Mon, Feb 15 – Mon, Feb 22
    Questions? Call 1-888-757-4774 or LiveChat Img Chat Us
    Add to List
  • Spring Clip Product Image
    Add to List
    Add to List
    Spring Clip 7819225 Spring Clip
    SKU: 7819225
    Brand: Viessmann
    $5.80 each
    1
    Tue, Feb 2
    1
    QtyArrives
    1 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
  • Panel Cap (Pack of 5) Product Image
    Add to List
    Add to List
    Panel Cap (Pack of 5) 7819534 Panel Cap (Pack of 5)
    SKU: 7819534
    Brand: Viessmann
    $4.76 each
    4
    Tue, Feb 2
    4
    QtyArrives
    4 Tue, Feb 2
    Questions? Call 1-888-757-4774
    Add to List
FAQs, Manuals & Videos
View Resources

Resources

Videos

Articles

  • This category contains an assortment of accessories and parts that apply to indirect water heaters manufactured by a variety of manufacturers.

NEED HELP?

888-757-4774
Closed Now: Phone Hours
Monday – Thursday
8am–7:45pm ET
Friday
9am–7:45pm ET

Call

Text

Chat

Email

or check out our Support Center

  • Product Image

  • Product Image

    Select 2 to 3 items to compare

  • Product Image

    Compare up to 1 more item

Why don't we show the price of this item?

We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

To see the price, simply add the item to your cart or sign in.