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Weil-McLain C-1013 User Manual

Page 3

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Insufficient Hot Water - page 3

- Undersized water heater
- Boiler system improperly sized
- Check component parts
- Boiler operating temperature
- Location of flow control devices
- Air in system
- Clean boiler system

Excessive Water Temperature - page 6

- Reduce Stacking
- Lowering boiler operating temperature
- Relocating T-stat bulb
- Reverse boiler piping
- Install thermostatic mixing valve
- Recirculation loop

Boiler Relief Valve Lifting or Weeping - page 7

- Undersized boiler expansion tank
- Faulty boiler expansion tank
- Simulate maximum expansion
- Faulty boiler relief valve
- Faulty boiler fill valve
- Inner tank leak

T&P Relief Valve Lifting or Weeping - page 8

- Undersized or missing domestic side expansion tank
- Faulty domestic expansion tank
- Faulty T&P relief valve
- High domestic supply pressure
- Possible water hammering or pressure spikes
- Boiler operating temperature

Water on the Floor - page 9

- From sources other than the water heater
- T&P valve lifting and discharging
- Loose piping connections

Top of Tank / Insulation Wet - page 10

- From sources other than the water heater
- Loose piping connections
- Leakage from the drywell

Water Smells / Taste Bad - page 11

- Water smells like "rotten eggs"
- Milky water
- Rusty discolored water

Yes

Yes

Yes

Yes

Yes

Yes

Yes

I

NSUFFICIENT

H

OT

W

ATER

E

XCESSIVE

D

OMESTIC

W

ATER

T

EMPERATURE

B

OILER

R

ELIEF

V

ALVE

L

IFTING

OR

W

EEPING

T

EMPERATURE

/

P

RESSURE

R

ELIEF

V

ALVE

L

IFTING

OR

W

EEPING

W

ATER

F

OUND ON

THE

F

LOOR

N

EAR

THE

T

ANK

T

OP OF

T

ANK

/

I

NSULATION

W

ET

W

ATER

Q

UALITY

P

ROBLEMS

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