VARIABLE SPEED PUMP WITH ELECTRONICALLY COMMUTATED MOTOR (ECM) Requirements: • Variable speed ECM pumps are for the replacement of constant speed permanent split capacitor (PSC) motor pumps. • Pump may replace domestic hot water recirculation pumps, heating hot water circulation pumps, cooling water circulation pumps, and/or water loop heat pump circulation loops. • Existing pumps being replaced may be continuous run, timer controlled, or controlled by aquastat temperature sensor. • New pump speed must be automatically controlled by differential pressure, flow, temperature, or other variable signal. • For new construction projects, variable speed pumps that are required in accordance to International Energy Conservation Code 2021 are not eligible. For HVAC applications, this includes: • Variable speed drives for HVAC pump systems are required by code for hydronic HVAC systems greater than or equal to 300,000 BTU/hr. Variable speed drives on pump motors for hydronic systems ≥ 300,000 BTU/hr DO NOT qualify for rebates. • For other HVAC VFD systems and larger motors, please see Variable Frequency Drives (VFDs) in the previous section. Circulation Application Max. Input (watts) Code Rebate Unit
<100
H3494 H3495 H3496 H3497 H3498 H3499 H3500 H3501 H3502 H3503 H3504 H3505
$80
Domestic Hot Water Recirculation
100-500
$200 $400
Pump
>500 <100
$80
Heating Water Circulation
100-500
Pump
$200 $400
>500 <100
$80
Cooling Water Circulation
100-500
$200 $400
Pump
>500 <100
$80
Water Loop Heat Pump Circulation
100-500
$200 $400
Pump
>500 <100
N-H3494
$80
Domestic Hot Water Recirculation
Pump
100-500
N-H3495 $200 N-H3496 $400
>500 <100
N-H3497
$80
Heating Water Circulation
100-500
N-H3498 $200 N-H3499 $400 N-H3500 $80
Pump
>500 <100
Cooling Water Circulation
100-500
N-H3501
$200
Pump
>500 <100
N-H3502 $400
N-H3503
$80
Water Loop Heat Pump Circulation
100-500
N-H3504 $200
Pump
>500 N-H3505 $400 *Incentive amount is limited to 50% of the project cost, including equipment and external labor (internal labor eligible for schools and government customers).
REMINDER Looking for rebates for Commercial Water Heaters? Refer to the Instant Discount Program for more information (see focusonenergy.com/instantdiscounts ).
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