Amtrol WH-7 Classic Series, RTR White Rodgers 8J48A W/24V GAS Valve, Typical MULTI-ZONE Control

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CIRCULATOR RELAY BOX

 

 

 

 

 

PR

PR

 

 

 

 

 

IN

OUT

LIVE

NEUT

1

2

3

4

 

 

 

 

 

 

 

 

 

L2

Indirect

 

 

 

 

 

L1

Aquastat

 

 

 

 

 

 

 

 

 

 

L1 L2

T

T

 

 

 

 

3

 

 

 

 

 

 

REMOVE JUMPER

 

 

 

 

BETWEEN 1 & 3

 

HEATING

 

C1 C2

 

 

CIRCULATOR

 

 

 

 

HONEYWELL L8148A OR SIMILAR W/PRIORITY

 

 

CIRCULATOR RELAY BOX

 

 

 

 

 

PR

PR

 

 

 

 

 

IN

OUT

LIVE NEUT

1

2

3

4

 

 

 

 

 

 

 

 

 

L2

Indirect

 

 

 

 

 

L1

Aquastat

 

 

 

 

 

 

 

 

 

W

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

L1

L2

WHITE RODGERS 8J48A W/24V GAS VALVE

 

 

CIRCULATOR RELAY BOX

 

 

 

 

PR

PR

 

 

 

 

IN

OUT

LIVE NEUT

1

2

3

4

 

 

 

 

 

 

 

L2

Indirect

 

 

 

 

L1

Aquastat

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

B2

L1 L2

HONEYWELL L8148J W/MILLIVOLT GAS VALVE

 

 

CIRCULATOR RELAY BOX

 

 

 

 

 

 

PR

PR

 

 

 

 

 

 

IN

OUT

LIVE NEUT

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

L2

Indirect

 

 

 

 

 

 

L1

Aquastat

 

 

 

 

 

 

 

THERMOSTATS

T T

T T

T T

 

 

 

 

 

 

 

PRIORITY

 

 

 

 

 

 

ZONE

MULTI-ZONE

 

 

 

 

 

 

 

CONTROL

ZONE OUTPUTS

 

 

 

 

 

 

 

TYPICAL MULTI-ZONE CONTROL

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Contents Instructions Models Covered Models CodesTable of Contents PRE-INSTALLATION ChecklistRequired Components and Accessories Checklist WH SeriesWH-7 & 9 Classic Series Piping Installation Domestic Water Piping Boiler PipingPage TOP Down TD-SERIES Piping Installation Domestic Water PipingPage READY-TO-RUN RTR-SERIES Piping Installation Page WHS Premier Series Piping Installation Page Wiring ALL Smart Control Models Orange Blue Violet WhiteBlack Boilermate Circulator Boilermate Junction BOXWhite Rodgers 8J48A Priority Wiring Priority Wiring Honeywell L8124 B & DPriority Wiring Honeywell L8148A Priority Wiring Honeywell L8148BPriority Wiring Typical Multi-Zone Relay Utilizing Post-Purge Feature Water Sensor Installation if Equipped Water Sensor PlugWiring ALL Dial Control Models Except RTR Models Capillary Tube Sensor Bulb Shaft Wire LeadsSeparate Circulator Zone Valves Schematic Priority W/CIRCULATORS SchematicBoiler Control Schematic Honeywell L8148EWiring ALL READY-TO-RUN RTR Models Honeywell L8148A or Similar W/120V High LimitWhite Rodgers 8J48A W/24V GAS Valve Honeywell L8148J W/MILLIVOLT GAS ValveTypical MULTI-ZONE Control Startup Procedure for ALL Models Setting the Smart Control Troubleshooting Problem SolutionReplacement Parts TD-7 RTRCleaning the Boilermate Heat Exchanger Coil General Safety Information Explosion or Rupture HazardPage West Warwick, Rhode Island

RTR, Top Down, WH-7 Classic Series, WH-9 Classic Series specifications

Amtrol is a well-respected name in the water heater industry, and its Classic Series models, such as the WH-9 and WH-7, are recognized for their quality and performance. These water heaters are designed to meet the hot water needs of residential and commercial applications, offering efficient solutions for those who require a reliable supply of hot water.

The WH-9 Classic Series is a standout model, boasting a 9-gallon capacity, making it ideal for smaller households or specific applications that require a compact solution. This model is designed with a unique top-down heating system, which ensures that water is heated efficiently from the top down, minimizing energy waste. The tank is insulated with high-density foam, reducing standby heat loss and enhancing energy efficiency. This model features a glass-lined steel tank that is resistant to corrosion, coupled with a magnesium anode rod that further extends the tank’s lifespan.

On the other hand, the WH-7 Classic Series offers a slightly smaller 7-gallon capacity, making it a perfect choice for tight spaces or systems where only a limited quantity of hot water is needed. Similar to the WH-9, the WH-7 also utilizes advanced insulation technology to maintain water temperature and reduce energy consumption. The compact design of both models allows for easy installation in various locations within a home or business.

Both the WH-9 and WH-7 feature a user-friendly thermostat for precise temperature control. This allows users to adjust the water temperature to their specific needs, ensuring optimal comfort and safety. The Classic Series is built with high-quality components, including durable heating elements that provide quick recovery times, delivering a steady flow of hot water when needed.

Another notable characteristic of the Amtrol Classic Series is its commitment to sustainability. The company integrates eco-friendly technologies into their products to reduce energy consumption, which is beneficial for both the environment and the consumer’s utility bills.

In conclusion, Amtrol’s WH-9 and WH-7 Classic Series water heaters offer efficient, reliable hot water solutions for varying residential and commercial needs. With their innovative heating technologies, durable construction, and user-friendly features, these models stand out in the competitive water heater market, making them a preferred choice for many homeowners and businesses alike. Whether you opt for the 9-gallon or the 7-gallon capacity, you can be confident in receiving consistent and efficient hot water when you need it most.