Specifications include, but are not limited to: CATEGORY #12-05-02 BOILERS 400,000 BTU INDOOR HEATING BOILER, NATURAL GAS FIRED WITH A 30 PSI RELIEF VALVE TO MEET TEXAS BOILER CODES $ VERTICAL 175 GALLON, GLASS LINE, 125 PSI ASME CODED WATER STORAGE TANK $ IN-LINE CIRCULATING PUMP 1/12 HP, 1800 RPM, 115VOLT, 1 PHASE BRONZE FITTED, 20GPM @ 6 FT. HEAD, WITH 3/4 CI FLANGE $ IN-LINE CIRCULATING PUMP 1/6 HP, 1800 RPM, 115VOLT, 1 PHASE, BRONZE FITTED, 15 GPM @ 10 FT. HEAD WITH 1" CI FLANGE $ MCDONNELL & MILLER FS4-3 OR EQUAL SPDT FLOW SWITCH 1" NPT THREADED CONNECTION PIPE SIZE $ MCDONNELL & MILLER 47-2 OR EQUAL BOILER WATER FEEDER CUT-OFF COMBINATION $ 4-1/2" SQUARE 1/2" LM TRI-INDICATING GUAGE 0-60 PSI FOR HOT WATER BOILER $ 2-1/2" 0-100 PSI 1/4 LM STAINLESS CASE, PHOSPHER BOUDON TUBE LIQUID FILLED SERVER GAUGE $ 4-1/2" 0-160 PSI 1/4" LM GENERAL SERVICE GAUGE $ FEED WATER PRESSURE REGULATOR 1/2" SIZE IRON BODY 12" PSI REDUCING SETTING 30 PSI SETTING RELIEF $ CATEGORY #12-05-03 COOLER PADS/MEDIA AEROCOOL 8" CELDEK FOR A TH4800 A/C UNIT $ AEROCOOL 12" CELDEK FOR A TD6812 A/C UNIT $ MASTERCOOL 8" CELDEK FOR A ADA51 A/C UNIT $ MASTERCOOL 12" CELDEK FOR A ADA 7112 A/C UNIT $ ASPEN PAD 18" X 26" $ ASPEN PAD 22" X 24" $ ASPEN PAD 29" X 29" $ ASPEN PAD 28" X 32" $ ASPEN PAD 28" X 40" $ 36" X 24' ASPEN RP COOLER PAD $