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Bradford White TW4-75S-76B-3X User Manual

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Specifications

Thermal well TCO Limit

Residential 188°F (87°C), Commercial 199°F (93°C)

Residential Temperature
Set Point Range

60°F (16°C) to 160°F (71°C) (Approximate temperatures)

Blower Temperature Switch

Normally closed, opens @ 165°F (74°C), auto reset @ 130°F (54°C).

Blower

TTW1
115VAC, 60Hz, 3.1 amps, 3000 RPM, [email protected]" W.C.

TTW2
115VAC, 60Hz, 3.1 amps, 3000 RPM, [email protected]" W.C.

Pressure switch

TTW1 Models:
Normally open, closes on vacuum increase @ -.68, opens on vacuum decrease @ -.65

TTW2 Models:
Normally open, closes on vacuum increase @ -1.28, opens on vacuum decrease @ -1.25

Power supply

Dedicated 115VAC, 60 Hz, 15A

Approved Gas Type

Natural or Propane. Unit must match gas type supplied.

Venting System

Power vent through the wall or vertical through the roof

Approved Vent Materials

PVC, CPVC or ABS

Gas Supply Pipe

Minimum 1/2" NPT (schedule 40 black iron pipe recommended)

Minimum Clearance
for Servicing

18" from top, 24" from front, 4" sides and rear.

Water Supply Pressure

150 PSI maximum allowable working pressure. Check local codes for supply pressure

Gas Pressure

5.0" W.C. min. for Nat gas, 11.0" W.C. min. for L.P. gas, 14.0" W.C. maximum (Nat. & L.P.)

Commercial Temperature
Set Point Range

80°F (27°C) to 180°F (82°C) (Approximate temperatures)

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