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The Lochinvar EnergyRite Pool Heater meets or exceeds all eco-friendly energy usage or emissions standards.

A commitment to quality is evident in every aspect of the EnergyRite Low Nox heater's design and construction.
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EnergyRite® - Natural Gas and Propane Pool & Spa Heater
Enjoy your pool for more months out of the year! Lochinvar's EnergyRite® Low-Nox Pool and Spa Heater comes with the fastest heat up time in the industry, built in commercial grade construction plus is more efficient to lower operating cost. With thermal efficiencies of up to 88%, the EnergyRite® will make an immediate impact on lowering your monthly fuel bill.
Built to commercial grade standards, EnergyRite® pools heaters are better designed and better built. The rust free water surfaces are completely lined with a molecularly molded porcelain / glass mixture, extending the performance of your pool heater.
To top it off the EnergyRite comes with a 3-year warranty on the heat exchanger and 2-year warranty on parts.
The EnergyRite's gasket free, copper finned tube heat exchanger is the only one in its class - eliminating leaks and failures common with similar models, while providing years of efficient operation. Direct-spark ignition provides added reliability and efficiency. Every EnergyRite® pool heater is quality checked throughout the manufacturing process, giving you a pool heater built to a higher standard.
Other advantages of the Lochinvar EnergyRite® pool and spa heater include a Built-in Floor Shield. No need to install a special surface to install your pool heater, place it directly on a combustible surface, even your deck. The combustion chamber of the EnergyRite® is fully shielded and windproof. This also prevents unpleasant surprises in the Spring from wasp and spiders nesting in your pool heating unit.
The EnergyRite® Spa and Pool Heater Features:
- Comfort with Digital Accuracy
- Environmentally Friendly
- Safety-Seal Combustion Chamber
- Fail Safe Ignition System
- Heavy Duty, Gasket less Heat Exchanger
- Remote Control Ready
- Simple, Convenient Connections
- Flexible Venting Options
- 88% Efficiency for energy savings month after month
- Lo-Nox Compliant.
- Highly efficient, commercial grade heat exchanger with no o-rings to cause leaks
- Fastest heat-up time in the industry
- User friendly 16 character display that uses words instead of confusing codes
- Very reliable. This heater is built to last
- Can be adapted for indoor or outdoor use with various venting options
- Use with an above ground pool or an in-ground pool.
- Can be run on 120 volts or 240 volts
- 3-Year Limited Warranty on Heat Exchanger. 2-Year Limited Warranty on Parts.
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| Item No. |
Input Btu. |
Pool Heater
Water Content |
Gas Connections |
Vent/Air Size |
Maximum Working
Pressure |
| Conv. |
DirectAire |
E-Rite |
ERN152 |
150,000 |
.83 gal. |
3/4" |
5" |
4" |
4" |
50 |
ERN202 |
199,999 |
.84 gal. |
3/4" |
5" |
4" |
4" |
50 |
ERN252 |
250,000 |
.84 gal. |
3/4" |
6" |
5" |
5" |
50 |
ERN302 |
300,000 |
.85 gal. |
3/4" |
6" |
5" |
5" |
50 |
ERN402 |
399,999 |
.85 gal. |
3/4" |
6" |
6" |
6" |
50 |
Use only the vent materials and methods specified in the Venting Section of the EnergyRite® Installation and Operation Manual.
This appliance is equipped for operation up to 2000 feet, and including up to 4000 feet, with no field adjustments. The appliance output ratings up to 4000 feet are reduced by 4% for each 1000 feet above sea level. For operation above 4000 feet, consult the factory.
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Lochinvar EnergyRite® Pool Heater Dimensions

Lochinvar EnergyRite® Pool Heater Dimensions |
| Item No. |
Input Btu. |
Dimensions |
| B |
D |
E |
F |
G |
ERN152 |
150,000 |
23" |
18" |
10-1/4" |
22" |
6" |
ERN202 |
199,999 |
26-1/2" |
20-3/4" |
12" |
22" |
6" |
ERN252 |
250,000 |
30" |
21-1/2" |
13-3/4" |
22" |
6" |
ERN302 |
300,000 |
33-3/4" |
25-3/4" |
16-1/4" |
21-1/2" |
6-1/2" |
ERN402 |
399,999 |
41" |
29-1/2" |
20" |
21-1/2" |
7" |
Buy Lochinvar EnergyRite® Natural Gas Heaters
Please Note: These pool heaters are delivered via truckline. Estimated delivery time is between 1 and 3 weeks. You will be contacted by the shipper within 24 hours of scheduled delivery to set up delivery. Refusal of delivery is subject to shipping and/or restocking fee. Someone must be at delivery location to sign for the item. You may be required to assist in moving the package.
| Mfr. No. |
Item No. |
Description |
Price |
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| ERN152 |
E6120 |
Lochinvar EnergyRiteŽ 150,000 BTU Natural Gas Pool Heater |
$2624.99 |
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| ERN202 |
E6122 |
Lochinvar EnergyRiteŽ 199,000 BTU Natural Gas Pool Heater |
$2834.99 |
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| ERN252 |
E6124 |
Lochinvar EnergyRiteŽ 250,000 BTU Natural Gas Pool Heater |
$3044.99 |
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| ERN302 |
E6126 |
Lochinvar EnergyRiteŽ 300,000 BTU Natural Gas Pool Heater |
$3254.99 |
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| ERN402 |
E6128 |
Lochinvar EnergyRiteŽ 399,999 BTU Natural Gas Pool Heater |
$3569.99 |
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Buy Lochinvar EnergyRite® Propane Gas Heaters
| Mfr. No. |
Item No. |
Description |
Price |
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| ERP152 |
E6130 |
Lochinvar EnergyRite® 150,000 BTU Propane Gas Pool Heater |
$2624.99 |
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| ERP202 |
E6132 |
Lochinvar EnergyRite® 199,000 BTU Propane Gas Pool Heater |
$2834.99 |
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| ERP252 |
E6134 |
Lochinvar EnergyRite® 250,000 BTU Propane Gas Pool Heater |
$3044.99 |
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| ERP302 |
E6136 |
Lochinvar EnergyRite® 300,000 BTU Propane Gas Pool Heater |
$3254.99 |
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| ERP402 |
E6138 |
Lochinvar EnergyRiteŽ 399,999 BTU Propane Gas Pool Heater |
$3149.99 |
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Easy Pool Heater Venting for Any Installation
Outdoor Venting |
Conventional Venting |
E-Rite Side Wall |
Power DirectAire® |
Powered Side Wall |
DirectAire® Vertical w/ Side Wall Inlet |
DirectAire® Vertical w/ Rooftop Inlet |
Standard from factory. NOTE: Factory vent kit required for all indoor installations. |
Draws air from inside room, vents into conventional vertical flue or vent breaching using Type B double-wall vent. |
Draws in outdoor air, vents up to 20 equivalent feet. Uses Category IV vent. |
Draws in outdoor air, vents up to 75 equivalent feet using powered vent cap and Type B double-wall vent. |
Draws air from inside room, vents horizontally up to 75 equivalent feet using powered vent cap and Type B double-wall vent. |
Draws in outdoor air horizontally through outside wall, vents through vertical flue using Type B double wall vent. |
Draws in outdoor air vertically through roof, vents through vertical flue using Type B double-wall vent. |
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Please note that your installation of the Lochinvar EnergyRite Pool and Spa heater MUST include one of the above venting methods. Power assisted venting of your pool heater is easy with one of the DirectAire vent kits below. |
Lochinvar EnergyRite® Indoor Vent Kits
| Mfr. No. |
Item No. |
Description |
Price |
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| VDK3043 |
ZLOC1001 |
Lochinvar EnergyRite® DirectAire Indoor Vent Kit for Heater Models 152-202 |
$161.27 |
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| VDK3044 |
ZLOC1002 |
Lochinvar EnergyRite® DirectAire Indoor Vent Kit for Heater Model 252 |
$195.28 |
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| VDK3045 |
ZLOC1003 |
Lochinvar EnergyRite® DirectAire Indoor Vent Kit for Heater Models 320-402 |
$205.36 |
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