CHOOSE A DIFFERENT MANUFACTURER 6


CHOOSE A DIFFERENT APPLIANCE

Burnham (U.S. Boiler) MPO-231/ MST-629

ALL BLENDS (#2-B100) SETTINGS

Manufacturer:	Burnham (U.S. Boiler)
Appliance Series:	MPO
Appliance Model:	MPO-231/ MST-629
Burner Model:	EZ-66
Air Tube:	7" CW
OEM Air Tube #:	50989
Insertion Depth:	2.625
Nozzle GPH:	1.35
Nozzle Type:	45B
Nozzle Mfr:	Delavan
Alternative Nozzle Type:	45AS
Alternative Nozzle Mfr:	Danfoss
Pump PSI:	150
Air Shutter:	Blank
Head Position:	Position 4-6
Air Setting:	60%
NOTES:

B100 Field Conversion Guide

Use the below steps to convert a burner mfg before 11/20/2023 for optimization with all blends.

1. Change Combustion Head Assembly* – Use Part No 51854S
   * Make sure combustion head has a gold C-clip (which designates that it is our B100 design.)
2. Check/Replace Pump – Install Suntec Pump #3006B rated for B100
3. Make changes highlighted in green above
4. Check/Replace Control – Install ProX 70200 if the burner does not already have one.
5. Check/Change Settings on ProX 70200**:

• • Flame stabilization:  5 seconds
  • CAD Ohms Max: 5300
  • Ignition Type: Smart Ignition
  • Motor Delay Off (Post-Purge): Minimum 15 seconds

** ProX 70200 controls manufactured after 11/20/23 will already have these settings.