Boards & More for Sale

All prices are without shipping, packaging, and applicable sales tax. Sales tax currently is only assessed to those receiving items in VT. Shipping is UPS-Ground by default. All boards are sold with a 1 year warranty unless otherwise specified, no refunds.

To purchase, email frankcoproductsllc@gmail.com your shipping information, billing address, the board you wish to purchase and the quantity. An invoice will be sent to your email for payment. Acceptable payments are credit card, debit card, PayPal, Venmo, Apple Pay. Merchant processing is by PayPal, you do not need to have a PayPal account to pay with a card. You can also pay by mailing a check, instructions for paying by check are included on the invoice. All digital transactions are subjected to a 3.5% processing fee. Fee is waived if invoice is paid by check, instructions will be in the invoice.

Distributor pricing option is available for select customers and is determined upon criteria. 

Lincoln L11325-1

 Aftermarket replacement battery board compatible with Lincoln Ranger 250 and Commander 500 Machines.

$750.00 

Terex/Demag 13008612

Replacement relay board for Demag CC-2500 cranes. This replaces the A361, A362, and A363 boards. 


Qty 1-2: $900.00 ea

Qty 3-5: $750 ea

Qty 6+: $650 ea



Replacement for Miller 203130

An aftermarket replacement power board compatible with Miller's Pipe Pro 304 (2nd gen), Trailblazer Pro 350D, and Legend 301G. 

$675

Replacement for Miller 166207, 133760, 133759, 166205, 133756, 166202, 133758

Miller BIG Series Universal Regulator Board for Miller BIG 30A,  BIG 40G, BIG 40D, BIG 50D and AirPak. Improved over original. Fine tuning instructions included.

$525

Replacement for Miller 198449, 198203, 198047

Field regulator for Miller Bluestar 6000. Greatly improved over original revisions! Not pictured but included is the circuit board wiring harness with connectors and heatsink. 

$675 (TEMPORARILY NOT AVAILABLE)

Replacement CV Board for Miller 114832

This CV Card can be used to replace your original Miller CV board or add the CV option to your BIG 30A, 40, 50, and AirPak Welder!

$225

Replacement for Miller 141390

This is a revised clamp board for the Miller Aerowave. 

$350


Replacement for Miller 160888 

Improved replacement Voltage Regulator for Miller Legend NT, Legend

$475

Replacement for Miller 049404

Improved replacement Voltage Regulator for Miller Legend AEAD-200LE, Blue Charger

$475

Replacement IGBT Module for Millermatic 350(P)

Replaces original Miller part numbers: 219936, 212936

$400/EA

$750/SET (QTY 2)

Replacement IGBT Module for Invision 456, XMT456

Replaces original Miller part number: 235309

$450/EA

$800/SET (QTY 2)

Replacement PC2 Interconnect Board for Pipe Pro 304. Replaces 196148

Improved replacement interconnect board for Miller Pipe Pro 304. Features 6 layers of copper for improved short circuit capacity, utilizes commonly available components for easier and less expensive repair (should it be necessary). Direct fit, no modifications necessary. 

$1200 BOARD ONLY 

$1775 1/3 ASSEMBLY (Includes 2 new IGBT modules)

$1925 2/3 ASSEMBLY (Includes 2 IGBTs, 3 Phase Rectifier)

$2295 FULL ASSEMBLY (Includes IGBTs, Rectifier, and Capacitors)

ESAB Migmaster 250 Replacement board. Replaces PN 31484

This is an improved replacement wirefeed control board for the ESAB Migmaster 250. 

$395 (TEMPORARILY OUT OF STOCK)

Replacement IGBT for XMT 304, Dynasty 300 Series, Red-D-Arc EX300

Replaces original Miller part numbers: 180110, 179628

$355/EA 

$625/SET (QTY 2)

Replacement IGBT for Pipe Pro 304

Replaces Miller part number 252259

$375/EA

$675/SET (QTY 2)

Voltage Regulator PCB for Miller Trailblazer 350D Pro

Coming August 2025

Voltage Sensing HF Control Relay for Miller Syncrowave 300, 350, 500

Coming August 2025

Replacement field regulator for Miller Bluestar 180K

Replaces original Miller part number 142010, 167343


$400/EA

7 Pin Pull to Weld Module

Replaces Miller PN 142725, 113492

Direct replacement, aluminum substrate, 12s delay, features reverse polarity protection, diagnostics light, and jumpstart* protection. Can be used with other brand welders requiring a pull to weld module. 

Unit price $225

10 Pack $2000

*Jumpstart protection is not a failsafe, it is only in place to protect the board from the occasional jumpstart.


Replacement 12 Position Process Selector Switch Replaces Miller PN 214760

This is a 12 position replacement process selection switch. It is fully plug and play compatible with the Miller Big Blue 300 Pro, 400 Pro Series, 400CX

$205/EA

Replacement 3 Position Process Selector Switch Replaces Miller PN 242793 

This is a 3 position replacement process selection switch. It is fully plug and play compatible with the Miller Big Blue 400 ECO Pro, Big Blue 500X ECO Pro. 

$200/EA

5 Pin Pull to Idle Module

Replaces Miller Part Numbers 142724, 189742, 123056

This 12s pull to idle module is built on an aluminum substrate and has safety features to prevent damage from jump starting* and reverse polarity. It is 100% plug and play compatible, more reliable and it is significantly less expensive than the Miller branded part. 

$150/EA

10 Pack $1250

*Jumpstart protection is not a failsafe, it is only in place to protect the board from the occasional jumpstart.