General Size Guidelines per household size shown below.
Add 3-1/2 gallon tank capacity for each additional bathroom In the home.
If there is an automatic dishwasher add 
5 gallons to the water heater capacity.

1-2 people:        2-3 people:      3-4 people:      5+ people:
30-40 gallons     40-50 gallons     50-60 gallons  
   60-80+ gallons

What is a Water Heater?

A Water Heater is an appliance designed to provide a steady supply of heated water for residential or commercial use. It ensures that water is available at the right temperature for bathing, cooking, cleaning, and other everyday needs. By heating and storing water in a tank—or heating it on demand—water heaters make modern living more convenient and efficient.

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Crown Boiler Mega-Stor is the first indirect water heater to have its performance independently certified to specifications by the hydronics institute. This independent testing will assure you of accurate ratings. Mega-Stor is indirectly heated for efficiency. The boiler that heats your home or building provides more energy, while consuming fuel more efficiently, than direct-fired domestic water heaters. So Mega-Stor saves on fuel costs by using hot water from your boiler to heat water for your showers.
  • The Mega-Stor is a stainless-steel indirect water heater which provides abundant domestic hot water utilizing energy provided by your boiler
  • With a stainless steel, smooth surface coil that transfers heat throughout the tank, the Mega-Stor is capable of recovery rates well in excess of a typical gas, electric or oil water heater
  • The 2" thick layer of polystyrene foam insulation keeps the water in your Mega-Stor hot for hours during stand-by periods

    Crown Boiler MS2-119

Item#:
MS2-119
Manufacturer Item:
MS2-119
Manufacturer:
CROWN BOILER COMPANY

Rheem MELD75-TB

Item#:
MELD75-TB
Manufacturer Item:
MELD75-TB
Manufacturer:
RHEEM SALES COMP(WATER HEATER)
Rheem Water Heaters PROE21RHPOU Electric Water Heater 2.5 Gallon 120 VAC 1-Element

Rheem Water Heaters PROE21RHPOU

Item#:
PROE21RHPOU
Manufacturer Item:
PROE2 1 RH POU
Manufacturer:
RHEEM SALES COMP(WATER HEATER)
Rheem Water Heaters PROE101RHPOU Professional 1-Element Electric Water Heater 10 Gallon 120 VAC

Rheem Water Heaters PROE101RHPOU

Item#:
PROE101RHPOU
Manufacturer Item:
PROE10 1 RH POU
Manufacturer:
RHEEM SALES COMP(WATER HEATER)
Rheem Professional Classic PROE20 1 RH POU Lead Free 1-PH 1-Element Residential Point-of-Use Electric Water Heater, 19.9Gallon, 120 VAC , 2000 watt
  • Single resistored stainless steel high efficiency heating element
  • Premium grade anode rod provides long-lasting tank protection
  • Over-temperature Protector cuts off power in excess temperature situations
  • Automatic thermostat keeps water at desired temperature
  • Temperature and pressure relief valve
  • Exclusive Rheemglas tank lining resists corrosion and prolongs tank life
  • Point-of-use electric water heaters feature a space-saving design for installation in limited spaces
  • 6 years limited tank and component parts warranty
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Rheem Water Heaters PROE201RHPOU

Item#:
PROE201RHPOU
Manufacturer Item:
PROE20 1 RH POU
Manufacturer:
RHEEM SALES COMP(WATER HEATER)
Rheem Professional Classic PROE40 T2 RH95 Lead Free 1-PH 2-Element Residential Tall Electric Water Heater, 40Gallon, 240 VAC
  • Isolated tank design reduces conductive heat loss
  • Resistored copper upper element and resistored lifeguard stainless steel lower element to prolong anode rod and tank life
  • Premium grade anode rod provides long-lasting tank protection
  • Electric junction box located above heating elements for easy installation
  • Over-temperature Protector cuts off power in excess temperature situations
  • Automatic thermostat keeps water at desired temperature
  • EverKleen self cleaning device fights harmful sediment build-up with a high-velocity spiraling water stream - helps operating efficiency by saving energy, money and improving tank life
  • Enhanced-flow brass drain valve
  • Temperature and pressure relief valve included
  • 6 years limited tank and component parts warranty
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Rheem Water Heaters PROE40 T2 RH95

Item#:
PROE40 T2 RH95
Manufacturer Item:
PROE40 T2 RH95
Manufacturer:
RHEEM SALES COMP(WATER HEATER)
Product Highlights:
  • 3.50 UEF
  • Meets NEEA Tier 3 Requirements
  • Integrated Wi-Fi Technology
  • California Title 24 Compliant (JA13 Ready)
  • LeakSense Accessory Ready
  • Design Certified to NSF/ANSI 372 (lead control)
  • 10 Year Limited Warranty

    Rheem Water Heaters PROH65T2RH310BM

  • Item#:
    PROH65T2RH310BM
    Manufacturer Item:
    PROH65T2RH310BM
    Manufacturer:
    RHEEM SALES COMP(WATER HEATER)
    Rheem Water Heaters PROE21RHPOU Electric Water Heater 2.5 Gallon 120 VAC 1-Element

    Rheem Water Heaters PROE21RHPOU

    Item#:
    PROE21RHPOU
    Manufacturer Item:
    PROE2 1 RH POU
    Manufacturer:
    RHEEM SALES COMP(WATER HEATER)
    Item#:
    PROH40T2RH310BM
    Peerless Boilers Partner PV-40 Thermoplastic Single-Wall Indirect Water The Peerless Partner indirect-fired water heater is an efficient and dependable option for all domestic hot water requirements. The indirect water heater utilizes a Peerless boiler as its heat source to provide the energy necessary to heat water. The boiler fires only when energy is required to replace the heated water that is being used, or if the tank had been idle. The highly insulated tank is not vented to the outdoors and loses very little heat, even when not in use for an extended period. The water heaters design features maximum heat transfer and resists mineral build-ups that can cause discolored and foul tasting water.,
    ,

    Peerless Boiler PV40

    Item#:
    PV40
    Manufacturer Item:
    51370
    Manufacturer:
    PB HEAT, LLC
    Rheem Professional Classic PROE30 M2 RH95 Lead Free 1-PH 2-Element Residential Medium Electric Water Heater, 30Gallon, 240 VAC
    • Isolated tank design reduces conductive heat loss
    • Resistored copper upper element and resistored lifeguard stainless steel lower element to prolong anode rod and tank life
    • Premium grade anode rod provides long-lasting tank protection
    • Electric junction box located above heating elements for easy installation
    • Over-temperature Protector cuts off power in excess temperature situations
    • Automatic thermostat keeps water at desired temperature
    • EverKleen self cleaning device fights harmful sediment build-up with a high-velocity spiraling water stream - helps operating efficiency by saving energy, money and improving tank life
    • Enhanced-flow brass drain valve
    • Temperature and pressure relief valve included
    • 6 years limited tank and component parts warranty
    ,

    ,

    Rheem Water Heaters PROE30M2RH95

    Item#:
    PROE30M2RH95
    Manufacturer Item:
    PROE30 M2 RH95
    Manufacturer:
    RHEEM SALES COMP(WATER HEATER)
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