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Peerless Boiler Replacement Parts

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Product Image of Kit Blocked Vent Switch, 54260
$79.73 each
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Product Image of Gasket Observation Port Outer, 7649
$16.00 each
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Product Image of Swirl Plate Dungs Black 5.5 Mm, 5514
$106.62 each
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Product Image of Harness PF50/140 Gas Valve, Flame Sensor-Limit, PF7124
$141.39 each
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Product Image of Gasket Burner Pf-850/1000, 54467
$71.98 each
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Product Image of Gasket Display Module, 54153
$38.68 each
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Product Image of Control & Display, 91616
$1,713.11 each
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Product Image of Gvl Robertshaw 7000derhc-s7c 1, 50247-PEERLESS
Gvl Robertshaw 7000derhc-s7c 1, 50247-PEERLESS
SKU: 50247-PEERLESS
Peerless Boilers
SKU: 50247-PEERLESS
$839.06 each
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Product Image of Adapter Plt Dungs 50mm, 5610
$23.68 each
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Product Image of Side Clean-out Cover Plate (Steel), 51772
$24.73 each
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Product Image of Flue Collector Cover Plate WBV-03, 90565
$43.96 each
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Product Image of Gasket Fan Outlet, PSC5019
$22.56 each
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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
$4.28 each
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Product Image of Tie Rod w/ Washers & Nuts, 90090
$70.54 each
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Product Image of O-ring Buna 3/32 Dash #116, 5909
$3.18 each
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Product Image of Clip Burner Retention, 51540
$13.97 each
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Product Image of NS2-1104-03 1.68" W.C. Pressure Switch, 50038
$68.81 each
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Product Image of Kit Gasket Observ Glass Holder, 90091
Kit Gasket Observ Glass Holder, 90091
SKU: 90091-PEERLESS
Peerless Boilers
SKU: 90091-PEERLESS
$22.56 each
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Product Image of Bracket Display Replacement, PF2007-1
$45.15 each
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Product Image of Elbow 90° 1/4nptx1/4 Tube Id, 5698
$16.09 each
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Product Image of Thermocouple K16BA-24D, 50838
$59.54 each
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Product Image of O-ring Epdm 20 Mm X 2.2 Mm, 5525-PEERLESS
$3.18 each
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Product Image of Gasket Observation Port Inner, 7650
$13.97 each
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Product Image of Sect Cc Front 80# 3638, 69101
$2,851.11 each
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Product Image of Kit Condensate Collector, 54205
$298.43 each
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Product Image of Burner Tray Rear Support 64-10, 50310-PEERLESS
$79.38 each
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Product Image of NS2-1104-00 Cleveland Switch, 0.38" WC, 50035-PEERLESS
$56.90 each
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Product Image of Burner Tray Rear Support 63-03l, 50301-PEERLESS
$28.80 each
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Product Image of Kit Fuse Thermal 318c 605f, 54466
$80.79 each
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Product Image of Ctrl/dspy Pf200 9e Software, 54713
$1,046.74 each
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Product Image of Sensor Immersion 12k Tsk10bh, 54157
$123.83 each
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Product Image of Orifice Plate Pscii-06 Lp Fan, PSC5018-3
$28.80 each
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Product Image of Vent/inlet Adapter Cpvc, 54135-PEERLESS
Vent/inlet Adapter Cpvc, 54135-PEERLESS
SKU: 54135-PEERLESS
Peerless Boilers
SKU: 54135-PEERLESS
$134.50 each
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Product Image of Door Observ Res Oil X1031, 51677
$36.81 each
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Product Image of Kit Purefire Pfa-1 Interf Brd, 54271
$549.95 each
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Product Image of Display Master 852HC042RA5L, 54736
$645.69 each
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Product Image of Sw Temp Lim Tk32-14 Pf(w)/iew, 50045-PEERLESS
$26.88 each
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Product Image of Retainer Rear Observation Port, 7651
$22.56 each
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Product Image of Gasket Fan De, 50204-PEERLESS
Gasket Fan De, 50204-PEERLESS
SKU: 50204-PEERLESS
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SKU: 50204-PEERLESS
$22.56 each
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Product Image of Fitting Bulkhead Pvc, 54140-PEERLESS
Fitting Bulkhead Pvc, 54140-PEERLESS
SKU: 54140-PEERLESS
Peerless Boilers
SKU: 54140-PEERLESS
$64.50 each
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Product Image of System Sensor, 12kohm Tasseron Tsa00bc, 54156
$124.94 each
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Product Image of Orifice Plate Pscii-05 Lp Fan, PSC5018-2
$28.80 each
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Product Image of Ctn Burner Worgas Pf50, 54174
$675.12 each
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Product Image of Rubber Gasket (Steam), 90547
$42.06 each
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Product Image of Insul Blnk 1/2 X 14 X 18-3/4, 50846
$124.94 each
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Product Image of Kit Lc Rear Obser Plate, 90923
$206.85 each
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Product Image of Coil Tankless Heater Ctn, 90546
Coil Tankless Heater Ctn, 90546
SKU: 90546-PEERLESS
Peerless Boilers
SKU: 90546-PEERLESS
$739.01 each
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Product Image of Stud 1/4 X 1-3/4 Tfl, 51751
$3.18 each
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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.