Pro Parts at Pro Speed - Shop Heating
Filter menu expanded

Filters

1,445 items
Reset

SORT

Product Availability
–

Show In Stock Only (102)
Reno (25)

Review Score
–

(35)
(2)
(1)
(1)

Price Range
–

$1 to $5 (30)
$5 to $10 (7)
$10 to $15 (40)
$15 to $20 (25)
$20 to $25 (36)
$25 to $30 (35)
$30 to $35 (2)
$35 to $40 (28)
$40 to $45 (34)
$45 to $50 (8)

Peerless Boiler Replacement Parts

Help Face
Need a little help?
FIND PARTS FOR YOUR UNIT
1445 items
Grid
List
Compare
Product Image of Flame Sensor W/ Gskt & Hardware Pbc, 54836
$86.04 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Adapter Plt Dungs 43mm, 5421
$86.47 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Kit Condensate Neutralizer, 54204
$197.26 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Vent Damper 6" Effikal, 90613
$555.82 each
In Stock
Get 1 by Tomorrow, Oct 28
In Stock
Get 1 by Tomorrow, Oct 28
Compare
Product Image of NS2-1104-00 Cleveland Switch, 0.38" WC, 50035-PEERLESS
$63.54 each
In Stock
Get 6 by Fri, Oct 30 - Mon, Nov 2
In Stock
Get 6 by Fri, Oct 30 - Mon, Nov 2
Compare
Product Image of Insul Wbv Target Wall, 50795
$121.60 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of 5/8" High Temperature Rope (1 ft), 55723
$12.77 each
In Stock
Get 3,717 by Fri, Oct 30 - Mon, Nov 2
In Stock
Get 3,717 by Fri, Oct 30 - Mon, Nov 2
Compare
Product Image of Ctn Burner Worgas Pf140, 54177
$950.57 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Flue Collector Cover Plate WBV-03, 90565
$43.96 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Permatex Clear Adhesive Sealant Silicone RTV 80050 w/ Applicator, 3 oz., 7605
$123.83 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Elbow 90° 1/4nptx1/4 Tube Id, 5698
$16.09 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Burner Mtg Plt Assembly Pf850-1500, 54430
$458.37 each
In Stock
Get 1 by Thu, Oct 29
In Stock
Get 1 by Thu, Oct 29
Compare
Product Image of Swirl Plate Dungs Black 16 Mm, 5620
$109.79 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Fuse Thermal 318c 605f, 54475
$23.68 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Burner Mounting Insulation, 50765
$44.96 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Gasket Fan De, 50204-PEERLESS
Gasket Fan De, 50204-PEERLESS
SKU: 50204-PEERLESS
Peerless Boilers
SKU: 50204-PEERLESS
$22.56 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Stud 5/16 X 2-1/4 Tfl, 51747-PEERLESS
Stud 5/16 X 2-1/4 Tfl, 51747-PEERLESS
SKU: 51747-PEERLESS
Peerless Boilers
SKU: 51747-PEERLESS
$3.98 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Tie Rod w/ Washers & Nuts, 90090
$70.44 each
In Stock
Get 90 by Fri, Oct 30 - Mon, Nov 2
In Stock
Get 90 by Fri, Oct 30 - Mon, Nov 2
Compare
Product Image of Subbase Ctrl Brd Pi-140/199, 91445
$82.97 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of System Sensor, 12kohm Tasseron Tsa00bc, 54156
$124.94 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Flue Sensor, 54209
$70.85 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Side Clean-out Cover Plate (Steel), 51772
$24.73 each
In Stock
Get 365 by Fri, Oct 30 - Mon, Nov 2
In Stock
Get 365 by Fri, Oct 30 - Mon, Nov 2
Compare
Product Image of Swirl Plate Dungs Black 5.5 Mm, 5514
$106.62 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Kit Purefire Pfa-1 Interf Brd, 54271
$549.95 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Gasket Observation Port Outer, 7649
$16.00 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Gasket Ign Elec/flame Sensor, 91491
$59.05 each
In Stock
Get 2 by Tomorrow, Oct 28
In Stock
Get 2 by Tomorrow, Oct 28
Compare
Product Image of Gasket Observation Port Inner, 7650
$13.97 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of 1/4" Rope Seal (1 Ft), 51209
$12.50 each
In Stock
Get 2 by Tomorrow, Oct 28
In Stock
Get 2 by Tomorrow, Oct 28
Compare
Product Image of Kit Blocked Vent Switch, 54260
$80.02 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Switch Texi 1nt08l-5621 210f, 50040-PEERLESS
$24.49 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Base Liner Blanket, 50857
$16.78 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Ctn Gvl Gas Valve Pf80, 54179
$700.95 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of PSCII-05 Steel Burner, 51536
$51.97 each
In Stock
Get 534 by Tue, Nov 3 - Thu, Nov 5
In Stock
Get 534 by Tue, Nov 3 - Thu, Nov 5
Compare
Product Image of Ctn Gvl Gas Valve Pf399, 54254
$1,293.06 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Combustion Chamber Cover Plate Kit, 54206
$509.55 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Ctn Burner Worgas Pf399, 54264
$1,263.90 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Ctn Gvl Gas Valve Pf110, 54180
$835.27 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Gasket Fan Adapter De, 50203-PEERLESS
Gasket Fan Adapter De, 50203-PEERLESS
SKU: 50203-PEERLESS
Peerless Boilers
SKU: 50203-PEERLESS
$22.56 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Door Observ Res Oil X1031, 51677
$36.81 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Stud 1/4 X 1-3/4 Tfl, 51751
$3.18 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Insul Blnk 1/2 X 14 X 18-3/4, 50846
$124.94 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Gasket Fan Mount Psc/psc5001, 50135-PEERLESS
$13.97 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Well 3/4" Npt 48-201 Hydrostat, 50723-PEERLESS
$53.55 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of Burner Tray Rear Support 63-03l, 50301-PEERLESS
$28.80 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Compare
Product Image of 1/8" NPT Supply/Return Sensor, 54438
$69.77 each
In Stock
Get 328 by Tue, Nov 3 - Thu, Nov 5
In Stock
Get 328 by Tue, Nov 3 - Thu, Nov 5
Compare
Product Image of 5" Vent Damper for MI-03, MI-04 Boilers, 90612
$347.43 each
In Stock
Get 1 by Thu, Oct 29
In Stock
Get 1 by Thu, Oct 29
Compare
Product Image of Channel Premix Pi-t50/t80, 91604
$529.28 each
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Backorder
Get it by Wed, Nov 25 - Thu, Dec 24
Resources
FAQs, Manuals & Videos
Articles
More About Peerless Boiler Parts

Peerless Boiler Parts cover the replacement components needed to service Peerless residential and commercial gas and oil-fired boilers, manufactured by PB Heat, LLC. Peerless boilers commonly ship with HydroStat temperature control, which manages fuel-saving operation and includes low water cutoff protection, along with the option of a Carlin EZ Series burner featuring LCD diagnostics on select models. Because Peerless covers both residential and commercial product lines across oil and gas fuel types, correctly identifying the specific boiler model before ordering parts is essential, since components are not universally interchangeable across the full product range. Locating the model number on the boiler's nameplate is the starting point for any parts search.

Subcategories

  • Gas Valves and Ignition Components: Gas valves and ignition components control fuel delivery and start combustion in gas-fired Peerless boilers. These parts see routine wear from constant cycling and are among the more frequently replaced components on an aging boiler. Matching the exact valve or ignition part to the specific boiler model is necessary, since gas train components vary across the Peerless product line. A boiler that fails to ignite or that ignites inconsistently is a common symptom pointing to this category.
  • Controls and HydroStat Components: This category covers the control components tied to Peerless boilers equipped with HydroStat temperature control, including the fuel-saving and low water cutoff functions built into that system. These controls manage when and how the boiler fires based on system demand and safety conditions, making them a critical safety-related replacement rather than a cosmetic one. Confirming the specific control board or sensor matches the boiler's HydroStat configuration avoids installing an incompatible part. Diagnostic troubleshooting on a HydroStat-equipped boiler typically starts by checking these components against the manufacturer's fault code guidance.
  • Burners and Combustion Parts: Burner and combustion parts include components for Peerless boilers fitted with the optional Carlin EZ Series burner as well as standard factory burner assemblies. The Carlin EZ Series adds LCD diagnostics on select models, which simplifies troubleshooting but also means replacement parts for that burner option differ from a standard burner setup. Combustion components require exact model matching since burner assemblies are engineered around the specific firing rate and boiler design they serve. Technicians should confirm whether a given boiler uses the standard burner or the Carlin EZ option before ordering.
  • Gaskets and Seals: Gaskets and seals maintain the pressure and combustion integrity of a Peerless boiler's sections, flue connections, and access points. These wear over time from repeated heating and cooling cycles and are routinely replaced during boiler maintenance or when a leak develops. Section gaskets in particular require matching to the specific boiler model's section design, since Peerless boilers vary in section count and configuration across the product line. Replacing gaskets during any service call that opens the boiler's sections is standard practice to avoid a repeat visit for a leak that develops after reassembly.

Buying Guide

The first step in ordering Peerless Boiler Parts is confirming the exact model number from the boiler's nameplate, since Peerless, manufactured by PB Heat, LLC, covers a broad range of residential and commercial boilers across both oil and gas fuel types, and parts are not interchangeable across that full range. A boiler equipped with HydroStat temperature control has its own set of control components tied to that system's fuel-saving and low water cutoff functions, and those parts need to match the specific HydroStat configuration installed rather than a generic control part. Boilers fitted with the optional Carlin EZ Series burner, which adds LCD diagnostics on select models, require combustion parts specific to that burner rather than parts built for a standard factory burner assembly, so confirming which burner configuration is installed matters before ordering ignition or combustion components. Gasket and seal replacement is routine maintenance work that comes up any time a boiler's sections are opened for service, and section gaskets in particular need to match the specific section design and count for that model. Working from the nameplate model number, rather than approximate boiler age or general boiler type, is the most reliable way to identify correct replacement parts across gas valves, controls, burners, and gaskets alike, and it avoids the back-and-forth of ordering a part that turns out not to fit.

Frequently Asked Questions

Where do I find the model number needed to order Peerless boiler parts?

The model number is located on the boiler's nameplate. It is the starting point for identifying correct replacement parts, since components vary across the Peerless product line.

What is HydroStat temperature control?

HydroStat is a control system used on many Peerless boilers that manages fuel-saving operation and includes low water cutoff protection as a safety function.

What is the Carlin EZ Series burner option?

The Carlin EZ Series is an optional burner available on select Peerless models that adds LCD diagnostics, simplifying troubleshooting compared to a standard factory burner.

Are Peerless boiler parts interchangeable across different models?

No. Peerless covers a wide range of residential and commercial boilers across oil and gas fuel types, and parts such as gas valves, controls, and gaskets need to match the specific model.

When should gaskets be replaced on a Peerless boiler?

Gaskets and seals wear from repeated heating and cooling cycles and should be replaced any time a boiler's sections are opened for service, or when a leak develops.