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Benchmark 750-3000 Boiler Installation & Startup Manual
SECTION 2 – INSTALLATION
2" NATURAL GAS OR
1" PROPANE INLET
HOT WATER
OUTLET
(SUPPLY)
BMK 1500/2000
BMK 2500/3000
AIR INLET
WATER INLET
(RETURN)
EXHAUST MANIFOLD
CONDENSATE DRAIN
Figure 2-4b: BMK 1500/2000 and BMK 2500/3000 Supply and Return Locations
OMM-0121_D • GF-205 • 5/9/2019
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
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