Utica Boilers BC Series II 安装指导

Burn or Scald Hazard. Discharge line shall be installed to relief valve outlet connection to avoid burns, 

scalding, or water damage due to discharge of steam and/or hot water during operation.
Discharge line shall:

• Use ¾" or larger pipe.
• Use pipe suitable for temperatures of 375°F (191°C) or greater.
• Individual boiler discharge piping shall be independent of other discharge piping.
• Size and arrange discharge piping to avoid reducing safety relief valve relieving capacity below 

minimum relief valve capacity stated on rating plate.

• Run pipe as short and straight as possible to location protecting user from scalding and properly drain 

piping.

• Install union, if used, close to safety relief valve outlet.
• Install elbow(s), if used, close to safety relief valve outlet and downstream of union (if used).
• Terminate pipe with plain end (not threaded).

Refer to local codes and appropriate ASME Boiler and Pressure Vessel Code for additional installation 

requirements.

   

Install limit sensor in supply pipe. See Figure 13. 

•  Install nipple and tee.
•  Install well in tee.
•  Insert sensor into well. Secure with clip.
•  Secure sensor wire to jacket with cable clamps.
•  Plug sensor wire into limit. See wiring diagram.

Install safety relief valve. See Figure 14.

•  Install safety relief valve in rear section using 

provided nipple and elbow.

•  Install discharge piping. Follow instructions in 

Warning above.

Check local codes 

for maximum 

distance from floor 

or allowable safe 

point of discharge.

Discharge Line

 Safety Relief Valve

Well

Supply 

Pipe

Limit Sensor

Cable 

Clamps

Limit

Temperature 

Pressure Gauge

Tee