/
/
Parts town. Get real parts faster

Shopping Cart

Skip to NavigationSkip to Content
Loading...
Loading...
USD
Multi-SKU Order
LoginRegister
Parts town. Get real parts faster

Find Equipment Manuals

Loading...
Loading...
  1. Home
  2. /
  3. Lochinvar
  4. /
  5. CB1257

Part Category

  • Baffles(6)
  • Brackets & Retainers(1)
  • Bricks, Rocks & Briquettes(3)
  • Burners(3)
  • Caps & Plugs(1)
  • Controls(3)
  • Doors & Hardware(1)
  • Elements, Heaters & Platens(1)
  • Fan & Blower Motors(1)
  • Filters, Screens & Driers(1)
  • Gaskets & Seals(7)
  • Gauges & Thermometers(2)
  • Holders & Supports(2)
  • Hoses, Pipes & Tubing(6)
  • Ignition Modules(1)
  • Ignitors & Electrodes(2)
  • Insulation(6)
  • Knobs & Dials(1)
  • Nuts, Bolts & Screws(1)
  • Orifices(1)
  • Panels, Covers & Lids(4)
  • Probes & Sensors(4)
  • Pumps & Motors(3)
  • Relays(2)
  • Switches & Buttons(4)
  • Terminal Blocks(1)
  • Thermostats & High Limits(2)
  • Transformers(1)
  • Valves, Solenoids & Fittings(7)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

get special offers & news from parts town

+52 558.957.7295
Loading...
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal
© 2026 Parts Town. All rights reserved.
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal

Stock Up on Real OEM HVAC Parts for the Summer Season! SHOP NOW

Call: +52 558.957.7295
Hvac Parts
TECHTOWN
Track My Order
HVAC Parts Are Here!

HVAC Parts Are Here!

Shop the top brands in the industry.

Take Parts Town on the Go!

Take Parts Town on the Go!

Download the industry's #1 app today!

Find the parts you need to fix equipment!

Find the parts you need to fix equipment!

Based on data from techs, powered by AI!

We are ready to help!

We are ready to help!

We offer customer service support in Spanish

Flat rate shipping anywhere in Mexico $49.99

Flat rate shipping anywhere in Mexico $49.99

Inclusive of duties and brokerage.

Find the parts you need to fix equipment!

Find the parts you need to fix equipment!

Based on data from techs, powered by AI!

Help Desk

  • Contact Us
  • Shipping
  • Taxes And Fees
  • Returns
  • FAQ

Inside Parts Town

  • About Us
  • Careers
  • Our Difference
  • Resource Center
  • Parts Town Blog
  • techtown
  • International

Technology and Innovations

  • Parts Town App
  • Parts In Town
  • Serial Number Lookup
  • Smart Manuals
  • Website Features
  • Terms of Use
  • Privacy Policy
  • Privacy Request

Part Category

  • Baffles(6)
  • Brackets & Retainers(1)
  • Bricks, Rocks & Briquettes(3)
  • Burners(3)
  • Caps & Plugs(1)
  • Controls(3)
  • Doors & Hardware(1)
  • Elements, Heaters & Platens(1)
  • Fan & Blower Motors(1)
  • Filters, Screens & Driers(1)
  • Gaskets & Seals(7)
  • Gauges & Thermometers(2)
  • Holders & Supports(2)
  • Hoses, Pipes & Tubing(6)
  • Ignition Modules(1)
  • Ignitors & Electrodes(2)
  • Insulation(6)
  • Knobs & Dials(1)
  • Nuts, Bolts & Screws(1)
  • Orifices(1)
  • Panels, Covers & Lids(4)
  • Probes & Sensors(4)
  • Pumps & Motors(3)
  • Relays(2)
  • Switches & Buttons(4)
  • Terminal Blocks(1)
  • Thermostats & High Limits(2)
  • Transformers(1)
  • Valves, Solenoids & Fittings(7)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Model: CB1257

Manuals Available: 1

Parts Manual

View Manual
Lochinvar CB1257 Parts & Manuals

Lochinvar CB1257 Parts & Manuals

Manufacturer:

Model #:

Lochinvar

CB1257

Copper-Fin Commercial Gas Boiler

Copper-Fin Commercial Gas Boiler

Lochinvar 100165937 Hot Surface Ignitor/Glo Coil

Lochinvar
  • Mfr Part # 100165937
  • Parts Town # LOC100165937
  • Quantity107

In Stock

Lochinvar 100208087 Gasket, Ignitor

Lochinvar
  • Mfr Part # 100208087
  • Parts Town # LOC100208087
  • Quantity12

In Stock

Lochinvar 100208653 Flow Switch, K, w/ Paddle, NEMA 1, Brass Bushing

Lochinvar
  • Mfr Part # 100208653
  • Parts Town # LOC100208653
  • Quantity4

In Stock

Lochinvar PLT3400 Hot Surface Ignitor

Lochinvar
  • Mfr Part # PLT3400
  • Parts Town # LOCPLT3400
  • Quantity57

In Stock

Lochinvar 100135300 Main Burner Assembly, K, 400-750 Kbtu Models

Lochinvar
  • Mfr Part # 100135300
  • Parts Town # LOC100135300
  • Quantity37

In Stock

Lochinvar 100208442 Pressure Relief/Safety Valve, 50#, 3/4"

Lochinvar
  • Mfr Part # 100208442
  • Parts Town # LOC100208442
  • Quantity6

In Stock

Lochinvar 100233587 Gasket, Combustion Burner

Lochinvar
  • Mfr Part # 100233587
  • Parts Town # LOC100233587
  • Quantity87

In Stock

Lochinvar 100208464 Ignition Module

Lochinvar
  • Mfr Part # 100208464
  • Parts Town # LOC100208464
  • Quantity5

In Stock

Lochinvar 100147003 Temp Gauge, 2.5" 0-250F/-20-12C

Lochinvar
  • Mfr Part # 100147003
  • Parts Town # LOC100147003
  • Quantity5

In Stock

Lochinvar 100208446 Temperature Pressure Relief Valve, 3/4", 150PSI

Lochinvar
  • Mfr Part # 100208446
  • Parts Town # LOC100208446
  • Quantity10

In Stock

Lochinvar 100208174 Hi LImit Thermostat, Manual Reset

Lochinvar
  • Mfr Part # 100208174
  • Parts Town # LOC100208174
  • Quantity9

In Stock

Lochinvar 100294582 Connection Board with Terminal Block, Before 04/2017

Lochinvar
  • Mfr Part # 100294582
  • Parts Town # LOC100294582
  • Quantity5

In Stock

Lochinvar 100232493 Flow Switch, Outdoor, K, Brass Bushing, NEMA 4

Lochinvar
  • Mfr Part # 100232493
  • Parts Town # LOC100232493
  • Quantity7

In Stock

Lochinvar 100208835 Control Board/Thermostat, Two Stage

Lochinvar
  • Mfr Part # 100208835
  • Parts Town # LOC100208835
  • Quantity1

In Stock

Lochinvar 100208553 Inlet Sensor, K, Immersion

Lochinvar
  • Mfr Part # 100208553
  • Parts Town # LOC100208553
  • Quantity3

In Stock

Lochinvar 100135270 Burner Assembly with Compression Fitting, 500-750 KBTU

Lochinvar
  • Mfr Part # 100135270
  • Parts Town # LOC100135270
  • Quantity3

In Stock

Lochinvar 100208552 Sensor Probe, Thermostat

Lochinvar
  • Mfr Part # 100208552
  • Parts Town # LOC100208552
  • Quantity30

In Stock

Lochinvar 100137145 K,FAN ASSY,CF495-2065/CFII300-2070

Lochinvar
  • Mfr Part # 100137145
  • Parts Town # LOC100137145
  • Quantity3

In Stock

Lochinvar 100146604 Gasket Strip, 45"

Lochinvar
  • Mfr Part # 100146604
  • Parts Town # LOC100146604
  • Quantity10

In Stock

Lochinvar 100147350 K,HEX,ASME,HLW,750 KBTU,CW/CF/CP

Lochinvar
  • Mfr Part # 100147350
  • Parts Town # LOC100147350
  • Quantity1

Please allow extra time for LTL orders

Lochinvar 100208345 K,ORIFICE,MAIN BURNER

Lochinvar
  • Mfr Part # 100208345
  • Parts Town # LOC100208345
  • Quantity5

In Stock

Lochinvar 100208555 Thermostat Assembly, 2 Stage

Lochinvar
  • Mfr Part # 100208555
  • Parts Town # LOC100208555
  • Quantity2

In Stock

Lochinvar 100233577 K,AIR FILTER,HEAVY DUTY,1" X 12" X 12"

Lochinvar
  • Mfr Part # 100233577
  • Parts Town # LOC100233577
  • Quantity8

In Stock

Lochinvar 100233613 Bulbwell, 3/8" NPT x .210" ID

Lochinvar
  • Mfr Part # 100233613
  • Parts Town # LOC100233613
  • Quantity2

In Stock

123