COMBAT® UHA UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

Figure 5: Standard Vented Heater - Common Vertical Vent Termination

SIDE VIEW

Type "B" vent cap

(7" or 8") may be used. (These are not available from Roberts-Gordon.)

Type "B" Vent Pipe

18" (46 cm)

Roof

Min.

Flashing

 

Roof

The last section of vent pipe

 

Approved

 

passing through the roof or

 

 

wall may be Type "B" vent pipe.

 

Thimble

 

All other vent materials in the

 

(If Applicable)

 

building must be single wall

 

Single Wall Pipe

 

vent pipe.

 

 

 

 

 

4" (10 cm)

"D"

"D" Area must equal sum

4" (10 cm)

Single Wall Pipe

 

Single Wall Pipe

 

of open area of

individual vents.

TOP VIEW

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Roberts Gorden 150, 200, 350, 400, 300, 175, 225 250 service manual Standard Vented Heater Common Vertical Vent Termination

225 250, 175, 300, 400, 150 specifications

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