Make: Weil-Mclain
Model or Series: Ultra 310
Type: Boiler
Problem Description: Low heat; Burners won't stay lit.
Observed Symptoms:
- Low water temperature.
- Burners ignite normally.
- Burner runs for several second, makes a vibrating noise then shuts off and shows code 6.
- Burner retries automatically after about 1 minute and does the same thing.
Solution: Replaced inducer assembly (P# 383-500-360) for $770.
Additional Information:
- Blower control board had signs of water damage.
- Leaking unions on water piping running water into control cabinet and dripping on blower.