CHOOSE A DIFFERENT MANUFACTURER 6


CHOOSE A DIFFERENT APPLIANCE

Bock Water Heater 20BCS/E

ALL BLENDS (#2-B100) SETTINGS

Manufacturer:	Bock Water Heater
Appliance Series:	BCS/E
Appliance Model:	20BCS/E
Burner Model:	EZ-LF
Air Tube:	7" 12D
OEM Air Tube #:	99781
Insertion Depth:	5.375
Nozzle GPH:	0.40
Nozzle Type:	60A
Nozzle Mfr:	Delavan
Alternative Nozzle Type:
Alternative Nozzle Mfr:
Pump PSI:	115
Air Shutter:	Air Boot
Head Position:	[GPH 0.35/0.50] or [Position 0]
Air Setting:	4%
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 77966S
   * 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.