Watts Benchmark Aerco OMM-0122 - Page 22

Benchmark 750-3000 Boiler Installation & Startup Manual
SECTION 2 – INSTALLATION
OMM-0121_D • GF-205 • 5/9/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 22 of 122
Figure 2-4b: BMK 1500/2000 and BMK 2500/3000 Supply and Return Locations
CONDENSATE DRAIN
EXHAUST MANIFOLD
BMK 1500/2000
BMK 2500/3000
2” NATURAL GAS OR
1” PROPANE INLET
AIR INLET
HOT WATER
OUTLET
(SUPPLY)
WATER INLET
(RETURN)