Skip to navigation Skip to content

Search for:

Log In/Register

$0.00 0 items

Gas Regulators/Gas Controls
Hydronic Heating/Circulators/Access
Oil Burner & Accessories
Temperature Controls/Thermostats
Warm Air Zoning Products
By Automatically Hierarchic Categories in Menu Storefront|Storefront Child Theme
All Products
Contact us
About

Gas Regulators/Gas Controls
Hydronic Heating/Circulators/Access
Oil Burner & Accessories
Temperature Controls/Thermostats
Warm Air Zoning Products
By Automatically Hierarchic Categories in Menu Storefront|Storefront Child Theme
All Products
Contact us
About

Search for:

Home / Oil Burner & Accessories / Ignition Transformers / Production Transformers / 421 SERIES

421 SERIES

Showing 1–10 of 11 results

1
2
→

Allanson 421-095 Ignition Transformer for York Shipley Burner
Brand: Allanson
SKU: 36305
In Stock
$93.77

Quantity

1
Allanson 421-104E Ignition Transformer For Sunray & Metal Master Burners
Brand: Allanson
SKU: 36304
In Stock
$93.77

Quantity

1
Allanson 421-331 Ignition Transformer For Lennox Burners
Brand: Allanson
SKU: 36299
In Stock
$121.90
4 in stock

Quantity

1
Allanson 421-340 Ignition Transformer for Armstrong Burners
Brand: Allanson
SKU: 36303
In Stock
$93.77

Quantity

1
Allanson 421-430 Ignition Transformer For Ducane Burners
Brand: Allanson
SKU: 36298
In Stock
$121.90
3 in stock

Quantity

1
Allanson 421-557 Ignition Transformer For Arco/American Standard Burners
Brand: Allanson
SKU: 36301
In Stock
$121.90
4 in stock

Quantity

1
Allanson 421-655 Ignition Transformer for Power Flame Burners
Brand: Allanson
SKU: 36793
In Stock
$121.90
6 in stock

Quantity

1
Allanson 421-659 Ignition Transformer For Cleaver Brooks Burners
Brand: Allanson
SKU: 36349
In Stock
$121.90
6 in stock

Quantity

1
Allanson 421-661 Ignition Transformer For Gordon Piatt
Brand: Allanson
SKU: 44192
In Stock
$93.77

Quantity

1
Allanson 421-663 Ignition Transformer For PVI Industries
Brand: Allanson
SKU: 117804
In Stock
$93.77

Quantity

1

Showing 1–10 of 11 results

1
2
→

Boiler Controls95 products
- Honeywell14 products
- Hydrolevel32 products
- McDonnell & Miller29 products
- Taco13 products
- Tekmar7 products
Combustion Testing Equipment9 products
- Combustion analyzers5 products
- Combustion Tools1 product
- Gas Leak Detectors3 products
Flow Switches31 products
- Air Flow Switches2 products
- Liquid Flow Switches29 products
  - JOHNSON CONTROLS8 products
  - MCDONNELL & MILLER21 products
Gas Regulators/Gas Controls377 products
- Flame sensors15 products
- Gas filters4 products
- Gas valves88 products
- Hot Surface Igniters20 products
- Ignition controls32 products
- Maxitrol Gas Regulators158 products
  - Balanced valve R/RS, 210 series14 products
  - Lever acting design 325 series32 products
  - Pilot loaded design 220 series2 products
  - Poppett design RV series19 products
  - Straight-thru flow design RV Series12 products
  - Venting accessories & springs70 products
  - Zero governor design9 products
- Pilot burners24 products
- Retrofit kits2 products
- Thermocouples28 products
- Thermopiles6 products
Hydronic Heating/Circulators/Access442 products
- Air eliminators28 products
- Boiler fill valves12 products
- Circulator parts & accessories1 product
- Circulators58 products
  - B&G circulators6 products
  - Circulator parts & accessories15 products
  - Grundfos circulators23 products
  - Honeywell circulators6 products
  - Taco circulators8 products
- Expansion tanks17 products
- Float Vents22 products
- Low water cut-offs2 products
  - Hydrolevel2 products
- Mixing Valves38 products
  - Honeywell36 products
  - Watts2 products
- Pressure reducing valves29 products
- Thermostatic valves/actuators53 products
- Water feeders14 products
- Zone valves168 products
  - Belimo3 products
    - Replacment Actuators3 products
  - Bell & Gossett1 product
  - Erie89 products
    - 2-Way N.C. Inverted Flare5 products
    - 2-Way N.C. NPT VT series1 product
    - 2-Way N.C. Sweat VT series12 products
    - 2-Way N.O. Inverted Flare1 product
    - 2-Way N.O. Sweat VT series1 product
    - 2-Way VS Series Valve Bodys HT7 products
    - 2-Way VT Series Valve Bodys13 products
    - 3-Way NPT VT Series1 product
    - 3-Way Sweat VT series4 products
    - 3-Way VS Series Valve Bodys HT3 products
    - 3-Way VT Series Valve Bodys8 products
    - Inverted Flare Fittings3 products
    - N.C. Act. High Temp, High Close-Off2 products
    - N.C. Actuators AG6 products
    - N.C. Actuators High Close-Off AH4 products
    - N.C. Actuators High Temp VS4 products
    - N.O. Act. High Temp, High Close-Off1 product
    - N.O. Actuators AG4 products
    - N.O. Actuators High Close-Off AH2 products
    - N.O. Actuators High Temp VS3 products
    - Replacement Motors4 products
  - Honeywell71 products
    - 2-Way 24V 5000 Series Zone Valves6 products
    - 2-Way 24V Zone Valves25 products
    - 2-Way Line Voltage Zone Valves10 products
    - 3-Way 24V Zone Valves7 products
    - 3-Way Line Voltage Zone Valves4 products
    - Replacement Powerheads14 products
    - Replacment Motors5 products
  - Taco4 products
Indoor Air Quality78 products
- Air Cleaners9 products
  - Electronic air cleaners6 products
  - Media air cleaners3 products
- Humidity Managment12 products
  - Evaporative humidifiers7 products
  - Humidity controllers4 products
  - Steam humidifiers1 product
- Replacement filters42 products
- Ultraviolet Air Treatment8 products
- UV parts & accessories6 products
- Ventilation1 product
  - Balanced ventilation1 product
Oil Burner & Accessories132 products
- Ignition Transformers61 products
  - Industrial Gas Transformers7 products
  - Industrial Transformers7 products
    - 2714 SERIES 12,000V4 products
    - 542 SERIES3 products
  - Production Transformers40 products
    - 2721 SERIES 120V23 products
    - 2744 SERIES 240V6 products
    - 421 SERIES11 products
  - Service Replacment Transformers5 products
  - Universal Transformers2 products
- Ignitors30 products
  - ALLANSON25 products
  - BECKETT5 products
- Oil Pumps41 products
  - SUNTEC29 products
    - Model A Single Stage8 products
    - Model B Two-Stage12 products
    - Model J Pumps9 products
  - WEBSTER12 products
    - R SERIES 2-STAGE10 products
    - SMP SUPPLY PUMPS2 products
Power Venters/Draft Controls/Induce77 products
- double acting draft controls10 products
- field in-line draft inducers4 products
- Field PV power venters3 products
- Field SWG power venters8 products
- Field vent hoods1 product
- Field Vent Riser2 products
- Gas vent dampers10 products
- Oil vent dampers5 products
- power venter controls kits & access11 products
- single acting draft controls6 products
- tjernlund in-line draft inducers6 products
- Tjernlund power venters6 products
- Tjernlund Vent hoods5 products
Solenoid Valves51 products
- Combustion12 products
  - 8215 Series Normally Closed8 products
  - 8215 Series Normally Open4 products
- General Service33 products
  - ASCO29 products
    - 8210 Series Normally Closed17 products
    - 8210 Series Normally Open12 products
  - GC VALVES4 products
    - 2-Way Pilot Loaded Normally Closed3 products
    - 2-Way Zero Differential N.O1 product
- Slow Closing6 products
  - Slow Closing Normally closed6 products
Temperature Controls/Thermostats260 products
- Commercial Thermostats9 products
- Digital Remote Bulb Temerature Controls15 products
- Electronic Temperature Controls20 products
- Line Voltage Thermostats39 products
- Mechanical remote bulb temp controls49 products
- Mechanical Thermostats15 products
- Non-programmable thermostats26 products
- Programmable thermostats36 products
- Temporary thermostats7 products
- Thermostat guards & accessories40 products
- Wireless thermostats4 products
Warm Air Zoning Products126 products
- Bypass Dampers4 products
- Fresh Air Intake Dampers2 products
- Modulating Round Dampers2 products
- Rectangular Warm Air Zoning Dampers88 products
- Retrofit Round Dampers4 products
- Round Warm Air Zoning Dampers11 products
- Zoning Panels & Kits9 products
- Zoning Parts & Accessories6 products

We appreciate every customer and aim to make our mark on a proper ecommerce experience.

© Copyright 2025 Ambria Supply. All rights reserved. / Privacy Policy

Contact

ambria supply

1170 Allanson Rd, Mundelein, IL, US

Categories

Gas Regulators/Gas Controls
Hydronic Heating/Circulators/Access
Temperature Controls/Thermostats
Oil Burner & Accessories
Warm Air Zoning Products
All Products

Info

About
Return policy
Privacy policy

© Ambria Supply 2025
Built with WooCommerce.

My Account
Search

Search for:
Cart 0