To be used with storage tank systems. TYPE WH3 WITH 2-STAGE CONTROLS Models 0181-4001 Hot water supply heater with low-high fire for 2-stage control. Available with integrally mounted pump, factory mounted and wired for models 01811826. To be used with storage tank systems. TYPE NH INSTANT-PAK Models 0514-1826 Tankless instantaneous direct fired hot water supply heater with 110°-170°F gas modulation, factory mounted bronze body or cast iron bronze fitted pump and flow switch. 3 ! ! General Safet

RAYPAK RESERVES THE RIGHT TO SUBSTITUTE, DELETE OR CHANGE ANY PART WITHOUT NOTIFICATION. THE ADDITION OF OPTIONS MAY ALSO CHANGE SOME OF THE PARTS. ORDER REPLACEMENT PARTS FROM ACTUAL HEATER COMPONENTS. MODEL TYPE DESIGNATIONS NEW OLD NEW OLD H1 T H6 Tx H2 Ta W1 WT H3 Tb W2 THWS H4 Tc (Released 3-1-87) W3 H5 Td N TIP R TIPR Prefixes used to distinguish between old model and new model types only. For additional information on the new model type designations see, Catalog No. 9001.10 FOR DETAILED I

RAYPAK RESERVES THE RIGHT TO SUBSTITUTE, DELETE OR CHANGE ANY PART WITHOUT NOTIFICATION. THE ADDITION OF OPTIONS MAY ALSO CHANGE SOME OF THE PARTS. ORDER REPLACEMENT PARTS FROM ACTUAL HEATER COMPONENTS. FOR DETAILED INSTRUCTIONS, SEE "HOW TO USE YOUR RAYPAK ILLUSTRATED PARTS LIST", CATALOG NO. 9001.10 Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (800) 872-9725 Litho In U.S.A. Fig# 240175 CALL OUT DESCRIPTION 203A 263A 333A 403A B BURNER TRAY 1-B 2-B 3-B 4-B Burner Tray

RAYPAK RESERVES THE RIGHT TO SUBSTITUTE, DELETE OR CHANGE ANY PART WITHOUT NOTIFICATION. THE ADDITION OF OPTIONS MAY ALSO CHANGE SOME OF THE PARTS. ORDER REPLACEMENT PARTS FROM ACTUAL HEATER COMPONENTS. FOR DETAILED INSTRUCTIONS, SEE "HOW TO USE YOUR RAYPAK ILLUSTRATED PARTS LIST", CATALOG NO. 9001.10 Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (800) 872-9725 Litho In U.S.A. 1-V 4-C 2-V 2-S 3-M 5-M 6-H 3-H 1-M 9-H 3-C 4-M 7-H 1-H 2-H 1-S 7-S5-S 6-S 1-R (30 & 42) 6-H 1-

*FOR ALTITUDES ABOVE 2,000 FEET ABOVE SEA LEVEL, CONSULT FACTORY. NUMBER OF TUBES VARIES FOR EACH MODEL SIZE. NOTE: BOILERS MANUFACTURED AFTER AUGUST 11, 1994, SERIAL #9408116901 OR LATER, HAVE IID IGNITION IN LIEU OF HSI IGNITION. CALL OUT M 1-M DESCRIPTION MISCELLANEOUS PRV 30 PSI 30B 501410 42B 501410 66B 501410 90B 501410 135B 501410 180B 501410 2-M Deliming Kit 052871F 052871F 052871F 052871F 052871F 052871F 3-M T & P Gauge 007205F 007205F 007205F 007205F 007205F 007205F 4-M Drain Valve 006

N/A N/A 001836F 001837F 001838F 001839F 4-S Access Panel 001847F 001847F 001847F 001847F 001847F 001847F Access Panel w/Pump Header 001846F 001846F 001846F 001846F 001846F 001846F 5-S Control Cover 002672F 002672F 002672F 002672F 002672F 002672F 6-S Pump Cover 002671F 002671F 002671F 002671F 002671F 002671F 7-S J Box Sheetmetal 002668F 002668F 002668F 002668F 002668F 002668F J Box Sheetmetal C2 (not shown) 002237F 002237F 002237F 002237F 002237F 002237F V VENTING 1-V 2-V Stackless Top (Outdoor)

The stainless steel burner system used in the Raypak Digital is inherently forgiving and extremely robust. The burner is self-adjusting to compensate for gas pressure fluctuations, allowing the heater to always burn clean and safe. Fan-Assisted Combustion Not all low NOx heaters are made the same. The Raypak Low NOx design uses a fan to provide cool, controlled combustion air to the burners. Other brands use a fan to pull hot flue gases through the heater. The Raypak design allows the heater to

Every piece of sheet metal goes through a 7-stage wash system, making certain the powder paint has a perfect bond. Underneath the tough, yet beautiful finish you will find galvanized metal that offers superior rust prevention and years of durable service. • Wind-Resistant Design No need for fans to combat drafting problems. This heater is designed to draft naturally in outdoor installations with its exclusive low-profile design. It is so thoughtfully and carefully designed it actually protects i

Your results may vary. Economaster Circuit Board Catalog No.: 5100.20-I Effective: 12-28-07 Replaces: 03-15-03 ELECTRICAL DATA Adjustable Timing: 3 to 10 minutes (Factory set at 7 minutes) Input Power (Primary): 24 VAC 50/60 Hz Input Signal (Controller): 24 VAC or 120 VAC Output (SPST Relay): Load - Up to 10 Amp-120 VAC Single Phase* Ambient Temperature: -67°F to +158°F * Motors larger than 3/4 HP and three-phase current require a contactor or motor starter equipped with a 120 VAC coil

Damper Bar. Damper Bar. Damper No Bar. Damper Heat Pump, Up to 100 ° F Cat I Cat IV Cat I Cat IV Pool PVC or "B" Vent PVC PVC or "B" Vent PVC DHW, Snow Melt, Radiant Floor Up to 120 ° F Cat I CPVC or "B" Vent Cat IV CPVC Cat I CPVC or "B" Vent Cat IV CPVC DHW, Radiant Floor 120° F to 140 ° F Cat IV CPVC Not Recommended Not Recommended Cat IV CPVC Hydronic, Above 140 ° F Cat I Cat IV Cat I Cat IV Process Water Steady State "B" Vent AL29-4C "B" Vent AL29-4C A Rheenf Company RAYPAK, INC.