MVB CAT-IV

503A-4003

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Long-Term Performance

Raypak’s MVB modulating vertical water heater is both equipped with cutting-edge advancements and highly versatile. Small space is no longer a problem, and our compact design fits through a 32” door opening to make it the perfect choice for those hard-to-reach retrofit projects.

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Document Archive

Illustrated Parts List 503A-2003A

Illustrated Parts List 2503-4003

Document Type:

Product Models	Product Category	Title	Document Number	Document Type	SEOURL	Language	SeqNum
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	MVB Brochure	1100.15-MVB_web	Brochure	1100.15-MVB-Brochure	EN	2
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Commercial Product Catalog	1100.15	Brochure	Commercial-Product-Catalog	EN	3
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Cold Water Protection	1100.15-Cold-Water-Protection	Brochure	Cold-Water-Protection	EN	4
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Brochure, Raymote	1100.15-Raymote_web	Brochure	1100.15-Raymote-Brochure	EN	5
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	VERSA IC Control System Brochure	1100.15-VERSA-IC	Brochure	VERSA-IC-Control-System-Brochure	EN	6
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4004	Domestic Hot Water Heaters	Commercial Portfolio	1100.14	Brochure	Commercial-Portfolio	EN	4
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, H WH 503A-2003A (English)	241511	Manual	I&O Manual, H WH 503A-2003A	EN	7
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, H WH 503A-2003A (French)	241511-FR	Manual	I&O-Manual,-H-WH-503A-2003A-(French)	FR	8
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, H WH 2503-4003, 241510 (English)	241510	Manual	I-and-O-Manual-H-WH-2503-4003-241510	EN	30
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, H WH 2503-4003, 241510 (French)	241510-FR	Manual	I&O-Manual,-H-WH-2503-4003,-241510-(French)	FR	31
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, B-39, 241323	241323	Manual	I&O Manual-B-39-241323	EN	9
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, B-62, 5000.71	5000.71	Manual	I&O Manual-B-62-5000.71	EN	10
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, B-85 B-86 ProtoNode, 241515	241515	Manual	I&O Manual-B-85 B-86 ProtoNode-5000.73	EN	11
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, FPC-N5 ProtoNode, 100-10004283	100-10004283	Manual	I&O Manual-FPC-N5ProtoNode-100-10004283	EN
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, CWS/CWR, 1000.57	1000.57	Manual	I&O Manual-CWS/CWR-1000.57	EN	12
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Raymote I&O Manual (English)	241788	Manual	I&O Manual-RayMote-241788	EN	13
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Raymote I&O Manual (French)	241788-FR	Manual	Raymote-I&O-Manual-(French)	FR	14
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	I&O Manual, Temp-Tracker Mod+ Hybrid, 241382	241382	Manual	I&O Manual-Temp-Tracker Mod+ Hybrid-241382	EN	15
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Raymote Service Instructions, 241783	241783	Manual	Raymote-Service-Instructions	EN	16
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	VERSA IC Control Manual (English)	241493	Manual	I&O Manual-VERSA IC Control-5000.72	EN	17
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	VERSA IC Control Manual (French)	241493-FR	Manual	VERSA-IC-Control-Manual-(French)	FR	18
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Specifications, WH 503A-2003A	241936	Specifications	Specifications-WH-503A-2003A-241936	EN	20
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Submittal, WH 2503-4003, 241867	241867	Submittal	Submittal, WH 2503-4003, 241867	EN	33
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Submittal, Temp-Tracker Mod+, 5100.32	5100.32	Submittal	Submittal-Temp-Tracker Mod+ - 5100.32	EN	21
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Submittal, WH 503A-2003A, 241862	241862	Submittal	Submittal, WH 503A-2003A, 3500.282	EN	22
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	How to Use Your Raypak IPL, 9001.10	9001.1	IPL	How to Use Your Raypak IPL-9001.10	EN	19
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Taco Pumps Replacement Parts	9300.1	IPL	Taco-Pumps-Replacement-Parts	EN	1
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	MVB Modulating Vertical Water Heaters 503A-2003A	503A-2003A	Revit	REVIT-2015-MVB H WH 503A-2003A	EN	26
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	MVB Vertical Hydronic Boilers, 2503 - 4003	2503-4003	Revit	REVIT 2015-MVB H WH 2503-3003	EN	34
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	VERSA IC, Raypak Touch Screen guide, 241630	241630	Guide	User-Guide-Raypak-Touch-Screen-241630	EN	28
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Raymote Quick Start Guide	241984	Guide	Raymote-Quick-Start-Guide	EN	29
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Horsepower and Heat Transfer Area, 8900.90	8900.9	Miscellaneous	Horsepower and Heat Transfer Area-8900.90	EN	24
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	South Coast Air Quality Management District	SCAQMD MVB XTherm A	Miscellaneous	MVB-Modulating-Vertical-Water-Heaters-503A-2003A-South-Coast-Air-Quality-Management-District	EN	25
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Master Spec	MasterSpec	Miscellaneous	Master-Spec	EN	27
WH7-503A, WH7-753A, WH7-1003A, WH7-1253A, WH7-1503A, WH7-1753A, WH7-2003A, WH7-2503, WH7-3003, WH7-3503, WH7-4003	Domestic Hot Water Heaters	Warranty, Temp-Tracker Mod+, 1900.18	1900.18	Warranty	Warranty-Temp-Tracker Mod+ - 1900.18	EN	23
				Document Type

MODEL SIZES

Reset Compare

- MVB CAT-IV
  WH7-503A
- Input Rate
  500 MBTU/h
- Thermal Efficiency
  86.2%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  100 GPM
- MVB CAT-IV
  WH7-753A
- Input Rate
  750 MBTU/h
- Thermal Efficiency
  86.2%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  100 GPM
- MVB CAT-IV
  WH7-1003A
- Input Rate
  999 MBTU/h
- Thermal Efficiency
  86.2%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  113 GPM
- MVB CAT-IV
  WH7-1253A
- Input Rate
  1,250 MBTU/h
- Thermal Efficiency
  86.2%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  113 GPM
- MVB CAT-IV
  WH7-1503A
- Input Rate
  1,500 MBTU/h
- Thermal Efficiency
  86.2%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  113 GPM
- MVB CAT-IV
  WH7-1753A
- Input Rate
  1,750 MBTU/h
- Thermal Efficiency
  86.2%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  113 GPM
- MVB CAT-IV
  WH7-2003A
- Input Rate
  1,999 MBTU/h
- Thermal Efficiency
  86.2%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  116 GPM
- MVB CAT-IV
  WH7-2503
- Input Rate
  2,501 MBTU/h
- Thermal Efficiency
  85%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  264 GPM
- MVB CAT-IV
  WH7-3003
- Input Rate
  3,000 MBTU/h
- Thermal Efficiency
  85%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  264 GPM
- MVB CAT-IV
  WH7-3503
- Input Rate
  3,500 MBTU/h
- Thermal Efficiency
  85%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  264 GPM
- MVB CAT-IV
  WH7-4003
- Input Rate
  4,000 MBTU/h
- Thermal Efficiency
  85%
- Indoor & Outdoor
- ASME
- Cascade
  Up to 8
- Energy Type
  Gas
- Turndown
  7:1
- Venting
  Category IV
- Voltage
  120VAC
- 1-Phase
- Max Water Flow
  264 GPM

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