Slant/Fin SX-150 to SX-210 manual Sentry

SENTRY®

High efficiency, cast-iron gas boiler

Relief valve

Cast-iron heat exchanger

Thermal pins

Pressure temperature gauge

Insulated jacket

Metal

push nipples

Insulated base

Long life burners

Highest standing pilot AFUE

in the industry.

Gas valve

Motorized heavy-duty vent damper

Integral draft hood

(“S” models only)

Brand name controls

Blocked vent safety switch

Not visible in photo

Circulator pump

Rollout safety switch

There are 3 Sentry SX models ranging in size from 150 to 210 MBh,

A.G.A. input. SX models include an external draft hood.