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Boilers

Discover the perfect blend of luxury, affordability, and top-tier performance with our Boiler Collection, designed to deliver the ultimate heating experience for both homes and businesses. Whether you're a homeowner, tradesperson, or contractor, we've got the perfect boiler for you.

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Parts & Accessories

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297 products

Zilmet ActivFlo water conditioner with chrome cylindrical body, red branding, and threaded male connectors on each end.

Zilmet ZAF034 ActivFlo Water Conditioner

SKU #: ZILZAF034   |   MPN #: ZAF034
$671.76
$671.76 $0.00
MSRP: $3,254.24

Available in stock

Pasco steel thermometers with temperature scales and metal probes in straight design.

Pasco 1443 Thermometer Steel Straight

SKU #: PAS1443   |   MPN #: 1443
$29.91
$29.91 $0.00
MSRP: $32.50

Available in stock

McDonnell & Miller RB-24EL low water cut-off with brass fitting and attached gray tubing on white background.

McDonnell & Miller RB-24EL Low Water Cut-Off

SKU #: MCDMRB24EL   |   MPN #: 144690
$186.26
$186.26 $0.00
MSRP: $232

Available in stock

McDonnell & Miller electronic water feeder with black casing, white label, and brass connector fittings.

McDonnell & Miller WFE 120V Uni-Match Electronic Feeder

SKU #: MCDMWFE120V   |   MPN #: WFE-120
$418.17
$418.17 $0.00
MSRP: $536

Available in stock

Dual analog gauge with upper scale showing temperature in degrees Celsius/Fahrenheit and lower scale displaying pressure in k

Pasco 1452 Boiler Gauge Pressure/Temperature

SKU #: PAS1452   |   MPN #: 1452
$46.14
$46.14 $0.00
MSRP: $59.50

Available in stock

Brass zone valve with metal actuator head and electrical connection terminals.

Honeywell V8043F1036 3/4" Sweat Zone Valve

SKU #: HONV8043F1036   |   MPN #: V8043F1036
$174.23
$174.23 $0.00
MSRP: $340.68

Available in stock

Black float-type low water cut-off valve with curved metal probe and threaded connection ports for steam boiler systems.

McDonnell & Miller 149500 67-LQHU, Float Type Low Water Cut-off without quick hook-up fittings (Steam)

SKU #: MCDM67LQHU   |   MPN #: 149500
$527.95
$527.95 $0.00
MSRP: $666

Available in stock

Black cylindrical flow switch with brass threaded inlet connection and dial gauge on front panel.

McDonnell & Miller 114400 FS4-3, 1-inch General Purpose Flow Switch - Paddle Style

SKU #: MCDMFS43   |   MPN #: 114400
$245.03
$245.03 $0.00
MSRP: $309

Special Order. Expect 4-6 weeks for delivery, subject to change

Gray rectangular Honeywell aquastat with dial gauge and adjustment dial on front face.

Honeywell L6006C1018 High or Low Limit & Circulator Strap-On Aquastat, 65-200 range, 5-30 Adj Differential

SKU #: HONL6006C1018   |   MPN #: L6006C1018
$201.10
$201.10 $0.00
MSRP: $388.83

Available in stock

Honeywell SV9510M SmartValve control with gray plastic housing and metal valve body, featuring warning label and connection p

Honeywell SV9510M2511 Standard Opening SmartValve Control

SKU #: HONSV9510M2511   |   MPN #: SV9510M2511
$475.02
$475.02 $0.00
MSRP: $952.36

Available in stock

Honeywell S8610U3009 intermittent pilot control unit with circuit board, terminal connectors, and wire terminals displayed se

Honeywell S8610U3009 Intermittent Pilot Control

SKU #: HONS8610U3009   |   MPN #: S8610U3009
$175.20
$175.20 $0.00
MSRP: $365.68

Available in stock

White Honeywell zone valve with brass sweat connection fitting and electrical warning label.

Honeywell V8043F1051 1" Sweat Zone Valve

SKU #: HONV8043F1051   |   MPN #: V8043F1051
$195.33
$195.33 $0.00
MSRP: $389.80

Available in stock

Honeywell 121371A 1/2" stainless steel aquastat well with threaded connection and mounting bracket.

Honeywell 121371A 1/2" Aquastat Well

SKU #: HON121371A   |   MPN #: 121371A
$19.54
$19.54 $0.00
MSRP: $105.01

Available in stock

Honeywell 40VA transformer with green and black coil housing, mounting bracket, and white and black wire leads.

Honeywell AT140A1000 Foot Mounted, Plate Mounted, Clamp mounted or Panel Mounted 120 Vac Transformer (40VA)

SKU #: HONAT140A1000   |   MPN #: AT140A1000
$29.94
$29.94 $0.00
MSRP: $62.24

Available in stock

Gray rectangular Honeywell aquastat with gauge dial, adjustment knob, and brass port connection on top.

Honeywell L6006A1145 High or Low Limit & Circulator, Horizontal Mount Aquastat, 100-240 F range, 5-30 F Adj Differential

SKU #: HONL6006A1145   |   MPN #: L6006A1145
$219.69
$219.69 $0.00
MSRP: $432.51

Available in stock

Gray rectangular Honeywell aquastat relay with three adjustment dials, copper sensing bulb, and terminal connections mounted

Honeywell L8148E1299 High Limit Vertical Mount Aquastat Relay, 15 F differential w/ 50VA Transformer

SKU #: HONL8148E1299   |   MPN #: L8148E1299
$430.52
$430.52 $0.00
MSRP: $855.12

Available in stock

Metal pilot burner assembly with dual flame ports and mounting bracket for natural or LP gas applications.

Honeywell Q314A4586 Natural or LP Gas Pilot Burner

SKU #: HONQ314A4586   |   MPN #: Q314A4586
$66.13
$66.13 $0.00
MSRP: $115.89

Available in stock

Gray metal Honeywell aquastat relay with copper terminal on top and adjustment dial on side.

Honeywell L8148J1009 Millivolt/Low Voltage Aquastat Relay

SKU #: HONL8148J1009   |   MPN #: L8148J1009
$408.07
$408.07 $0.00
MSRP: $806.56

Available in stock

Chrome plumbing valve with barbed and compression fittings in clear plastic packaging labeled "Water Stop" by Plumbshop.

PEX 1/2 BARB X 3/8 OD STRAIGHT STOP VALVE CHR

SKU #: PEXR14C   |   MPN #: PLB204X P
$14.34
$14.34 $0.00
MSRP: $28.72

Available in stock

Zilmet ActiveFlo Lite cylindrical water conditioner with threaded connectors at both ends and red branding label.

Zilmet ZAFL2234 ActiveFlo Lite Point of Use Water Conditioner

SKU #: ZILZAFL2234   |   MPN #: ZAFL2234
$156.63
$156.63 $0.00
MSRP: $852.63

Available in stock

Boilers You Can Count On

Step into a world of unmatched comfort with our boilers for sale, designed to transform any space into a warm, inviting haven. We believe that luxury and quality should be accessible to everyone, which is why our new boilers are competitively priced without compromising on top-tier craftsmanship.

Whether you're looking to upgrade to an energy-efficient boiler or need a reliable solution for your residential heating needs, we’ve got you covered. Explore options like our combination boilers for versatile efficiency, hydronic boilers for consistent heating, or durable steam boilers for robust performance.

Comprehensive Selection Backed by Trusted Brands

Our extensive range of new boilers features top names in the industry, including Caleffi, Danfoss, Zilmet, Honeywell, and more. With a focus on quality and performance, these industry leaders ensure every product delivers dependable results.

We also provide essential add-ons like expansion tanks to complete your heating system. Whether you're upgrading a small residential space or outfitting a larger property, we have tailored solutions to fit your budget and project needs. With competitive pricing and a wide range of categories, we’ll help you find the perfect energy-efficient boiler.

Have questions or need assistance? Contact us today for expert advice on specs or model recommendations.
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