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SPIDERfire® is a family of ultra high efficiency commercial gas water heaters with up to a 97 percent thermal efficiency.
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SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters

SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters
SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters

SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters
SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters

SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters
SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters

SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters
SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters

SPIDERfire® Ultra-High Efficiency Commercial Gas Water Heaters
Manufacturer N/A Rheem®
Type N/A Liquid Propane Gas Natural Gas
Input Power N/A 130000 BTU/hr N/A 150000 BTU/hr N/A 199000 BTU/hr N/A 250000 BTU/hr N/A 300000 BTU/hr
Thermal Efficiency N/A 97 % N/A 94 % N/A 94 % N/A 95 % N/A 94 %
Voltage N/A 120 V
Vent Size N/A 2 in3 in4 in N/A 2 in3 in4 in N/A 2 in3 in4 in N/A 3 in4 in N/A 3 in4 in6 in
Capacity N/A 80 gal303 L
Inlet Water Connection N/A 2 in. NPT
Outlet Water Connection N/A 2 in. NPT
Approximate Shipping Weight N/A 725 lb N/A 725 lb N/A 745 lb N/A 745 lb N/A 745 lb
Maximum Set Point Temperature N/A 185 ºF
Equipment Grade N/A Commercial
Recovery at 40 ºF Temperature Rise N/A 382 gal/h N/A 427 gal/h N/A 569 gal/h N/A 720 gal/h N/A 855 gal/h
Recovery at 22 ºC Temperature Rise N/A 1448 L/h N/A 1618 L/h N/A 2157 L/h N/A 2725 L/h N/A 3237 L/h
Recovery at 50 ºF Temperature Rise N/A 306 gal/h N/A 342 gal/h N/A 456 gal/h N/A 576 gal/h N/A 684 gal/h
Recovery at 28 ºC Temperature Rise N/A 1160 L/h N/A 1296 L/h N/A 1728 L/h N/A 2180 L/h N/A 2589 L/h
Recovery at 60 ºF Temperature Rise N/A 255 gal/h N/A 285 gal/h N/A 380 gal/h N/A 480 gal/h N/A 570 gal/h
Recovery at 33 ºC Temperature Rise N/A 966 L/h N/A 1080 L/h N/A 1440 L/h N/A 1816 L/h N/A 2158 L/h
Recovery at 70 ºF Temperature Rise N/A 218 gal/h N/A 244 gal/h N/A 325 gal/h N/A 411 gal/h N/A 488 gal/h
Recovery at 39 ºC Temperature Rise N/A 826 L/h N/A 925 L/h N/A 1232 L/h N/A 1555 L/h N/A 1847 L/h
Recovery at 80 ºF Temperature Rise N/A 191 gal/h N/A 214 gal/h N/A 285 gal/h N/A 360 gal/h N/A 427 gal/h
Recovery at 45 ºC Temperature Rise N/A 724 L/h N/A 811 L/h N/A 1080 L/h N/A 1363 L/h N/A 1616 L/h
Recovery at 90 ºF Temperature Rise N/A 170 gal/h N/A 190 gal/h N/A 253 gal/h N/A 320 gal/h N/A 380 gal/h
Recovery at 50 ºC Temperature Rise N/A 644 L/h N/A 720 L/h N/A 959 L/h N/A 1211 L/h N/A 1438 L/h
Recovery at 100 ºF Temperature Rise N/A 153 gal/h N/A 171 gal/h N/A 228 gal/h N/A 288 gal/h N/A 342 gal/h
Recovery at 56 ºC Temperature Rise N/A 580 L/h N/A 648 L/h N/A 864 L/h N/A 1090 L/h N/A 1295 L/h
Recovery at 110 ºF Temperature Rise N/A 139 gal/h N/A 155 gal/h N/A 207 gal/h N/A 262 gal/h N/A 311 gal/h
Recovery at 61 ºC Temperature Rise N/A 527 L/h N/A 587 L/h N/A 785 L/h N/A 992 L/h N/A 1177 L/h
Recovery at 120 ºF Temperature Rise N/A 127 gal/h N/A 142 gal/h N/A 190 gal/h N/A 240 gal/h N/A 285 gal/h
Recovery at 67 ºC Temperature Rise N/A 481 L/h N/A 538 L/h N/A 720 L/h N/A 908 L/h N/A 1079 L/h
Recovery at 130 ºF Temperature Rise N/A 118 gal/h N/A 131 gal/h N/A 175 gal/h N/A 221 gal/h N/A 263 gal/h
Recovery at 72 ºC Temperature Rise N/A 447 L/h N/A 496 L/h N/A 663 L/h N/A 837 L/h N/A 996 L/h
Recovery at 140 ºF Temperature Rise N/A 109 gal/h N/A 122 gal/h N/A 163 gal/h N/A 206 gal/h N/A 244 gal/h
Recovery at 78 ºC Temperature Rise N/A 413 L/h N/A 462 L/h N/A 618 L/h N/A 780 L/h N/A 924 L/h
Maximum Delivery at 100 ºF (5 Minutes) N/A 69 U.S. gal N/A 70 U.S. gal N/A 75 U.S. gal N/A 80 U.S. gal N/A 85 U.S. gal
Maximum Delivery at 56 ºC (5 Minutes) N/A 262 L N/A 265 L N/A 284 L N/A 303 L N/A 322 L
Maximum Delivery at 100 ºF (10 Minutes) N/A 82 U.S. gal N/A 85 U.S. gal N/A 94 U.S. gal N/A 104 U.S. gal N/A 113 U.S. gal
Maximum Delivery at 56 ºC (10 Minutes) N/A 311 L N/A 322 L N/A 356 L N/A 394 L N/A 428 L
Maximum Delivery at 100 ºF (15 Minutes) N/A 94 U.S. gal N/A 99 U.S. gal N/A 113 U.S. gal N/A 128 U.S. gal N/A 142 U.S. gal
Maximum Delivery at 56 ºC (15 Minutes) N/A 356 L N/A 375 L N/A 428 L N/A 485 L N/A 538 L
Maximum Delivery at 100 ºF (20 Minutes) N/A 107 U.S. gal N/A 113 U.S. gal N/A 132 U.S. gal N/A 152 U.S. gal N/A 170 U.S. gal
Maximum Delivery at 56 ºC (20 Minutes) N/A 406 L N/A 428 L N/A 500 L N/A 575 L N/A 644 L
Maximum Delivery at 100 ºF (30 Minutes) N/A 132 U.S. gal N/A 142 U.S. gal N/A 170 U.S. gal N/A 200 U.S. gal N/A 227 U.S. gal
Maximum Delivery at 56 ºC (30 Minutes) N/A 500 L N/A 538 L N/A 644 L N/A 757 L N/A 859 L
Maximum Delivery at 100 ºF (45 Minutes) N/A 171 U.S. gal N/A 184 U.S. gal N/A 227 U.S. gal N/A 272 U.S. gal N/A 312 U.S. gal
Maximum Delivery at 56 ºC (45 Minutes) N/A 648 L N/A 697 L N/A 860 L N/A 1030 L N/A 1181 L
Maximum Delivery at 100 ºF (1 Hour) N/A 209 U.S. gal N/A 227 U.S. gal N/A 284 U.S. gal N/A 344 U.S. gal N/A 398 U.S. gal
Maximum Delivery at 56 ºC (1 Hour) N/A 792 L N/A 860 L N/A 1076 L N/A 1302 L N/A 1507 L
Maximum Delivery at 100 ºF (2 Hours) N/A 362 U.S. gal N/A 398 U.S. gal N/A 512 U.S. gal N/A 632 U.S. gal N/A 740 U.S. gal
Maximum Delivery at 56 ºC (2 Hours) N/A 1372 L N/A 1508 L N/A 1940 L N/A 2392 L N/A 2801 L
Maximum Delivery at 100 ºF (3 Hours) N/A 515 U.S. gal N/A 569 U.S. gal N/A 739 U.S. gal N/A 920 U.S. gal N/A 1082 U.S. gal
Maximum Delivery at 56 ºC (3 Hours) N/A 1952 L N/A 2157 L N/A 2801 L N/A 3482 L N/A 4096 L
Minimum to Recovery Contents N/A 31 N/A 28 N/A 21 N/A 17 N/A 14
Schematic N/A
Schematic Drawing for SPIDERfire® Ultra High Efficiency Commercial Gas Water Heaters
Dimension A N/A 69-5/8 in1768 mm
Dimension B N/A 26-1/4 in667 mm
Dimension C N/A 66-1/8 in1680 mm
Dimension D N/A 12-3/4 in324 mm
Dimension E N/A 64-5/8 in1641 mm
Dimension F N/A 64-13/16 in1646 mm
Dimension G N/A 62-13/16 in1595 mm
Dimension H N/A 66-5/8 in1692 mm
Top Clearance to Combustibles N/A 6 in
Industry Standards N/A AHRI Certified® ANSI Standards Z-21.10.3 ASHRAE Standards ASME Optional CSA® Certified Energy Star UL® Listed
Features and Benefits N/A The advanced line of 80 and 100-gallon Rheem® SPIDERfire® condensing water heaters offers breakthrough technology. It provides up to 97% thermal efficiency. The patented heat transfer system dramatically cuts fuel costs and is built to last. Models are available that range from 130,000-399,900 Btu/h, with a maximum temperature setting of 185 degrees.

Faster, Less Costly Venting
All models vent with standard -2", -3", -4", or -6" diameter PVC plastic pipe. SPIDERfire®'s built-in exhaust riser vents at the top and eliminates the need to construct a side riser.

Smart LCD Control System
The new diagnostic system is standard on all SPIDERfire® models. It enables installers and service technicians to monitor key functions and components. It includes a scrollable, operational history.

Innovative Technology
The heart of the SPIDERfire® is its patented multi-leg, triple pass heat exchanger. The system is engineered as a 'wet base' design wherein the entire heat exchanger is submerged. That eliminates hot spots found in some other fully condensing water heaters. When hot spots are eliminated, the life of the product is extended and efficiency is maximized. These products are built to last.

Power or Power Direct Vent
It can be installed as a power-vented product; or as a power direct-vented product - the latter for negative air pressure or if indoor air quality is a concern.

Corrosion Protection
Three-pass heat exchanger tubes are coated inside and out with a specially formulated porcelain enamel designed to protect against condensation.

Multiple Water Connections
Hot and cold water Inlets and outlets on both sides of the unit; 2" NPT high-flow connections.

Full-port, Full-flow Drain Valve
Factory installed brass drain valve allows for faster draining and servicing.

Advanced Burner Design
Latest models have increased burner surface area for ultra smooth ignition and quiet operation.

Direct Spark Ignition System
Energy saving ignition that ignites pilot only when there is a call for heat.
Testing and Certifications N/A Altitude Certification
Certified up to 8,999 feet

CSA®/ASME Rated T&P Valve
Factory installed relief valve

For Canadian Installations, Please Use ULC-S636 PVC or CPVC Pipe
General Information N/A Efficiency
All models tested according to ANSI test procedures, and meet or exceed the thermal efficiency and standby loss requirements of ASHRAE standard (EPact). Also exceeds energy efficiency codes of all states including California Energy Commission (CEC).

Safety and Construction
Design certified by CSA: For operation at 185 degrees; meets all safety and construction requirement of ANSI Z-21.10.3; as an automatic storage or instantaneous water heater; as an automatic circulating tank water heater; and for operation on combustible floors and in alcove installations. Certified for 150 PSI maximum working pressure (160 PSI for ASME models).

Optional Construction
ASME construction is available on designated models. UL Sanitation (NSF5) compliant models are available when equipped with optional seal kit (Part No. AS42690).
Warranty N/A
  • 3-Year limited Tank Warranty, Upgradeable to 5-Year Warranty.
Note N/A 0" clearance to all combustible surfaces on Sides; 6" top clearance for 130 to 300 models; 8" for 350 to 400 models.

Models with inputs of 130,000 btu/h thru 199,000 btu/h are certified to vent with 2" schedule 40 PVC, CPVC or ABS pipe.