Name: Astral Pool 21400 (CTX400C)
Brand: Astral Pool
SKU: APP0017

Electricity pricec/kWh

Pool volumelitres

Turnoversper day

Nameplate power: 1,633 W; Single speed
Energy rating: 1
Annual electricity use: 1,572 kWh; Label: 1,572 kWh · 4.3 kWh per day
Estimated running cost: $503 / year; $5,031 over 10 years

Efficiency (WEF): 11.6 L/Wh · 277 L/min at the label test point

4% more electricity than the median of 51 comparable 1,500 w and above single speed pool pump registrations (1,511 kWh a year on the label basis). It uses less than 10% of them. At your rates that is about $20 a year more than the median, $196 over 10 years.

How efficient is it for its size?

median 1,5111,3571,572

kWh per year. Bar: the middle 80% of 51 comparable 1,500 w and above single speed pool pump registrations. Dot: this model (above the median). Hover or tab to a mark for its value.

Cohort: every currently registered 1,500 w and above single speed pool pump sold in Australia, counted once per registration, on the label usage basis.

Pool pumps that use less electricity

Same type and size group, at least 3% lower annual kWh on the label basis.

Model	Power	Stars	kWh / yr	Est. cost / yr	Uses less than
Speck BADU 90/3501,250 W1,153 kWh/yr	1,250 W	2	1,153	$369	98% of similar
Pool And Spa Warehouse PRO 90/3501,250 W1,153 kWh/yr	1,250 W	2	1,153	$369	98% of similar
Baqiu BQ15001,500 W1,155 kWh/yr	1,500 W	2	1,155	$370	98% of similar
Kripsol K2615E1,380 W1,223 kWh/yr	1,380 W	1.5	1,223	$391	95% of similar
Davey DSF13501,350 W1,238 kWh/yr	1,350 W	1.5	1,238	$396	93% of similar

kWh and cost on the label usage basis; the product page adjusts to your usage.

Pool pumps similar to the Astral Pool 21400 (CTX400C)

Model	Power	Stars	kWh / yr	Est. cost / yr	Uses less than
Zodiac WP000240 (TAGUS 1.5HP)1,633 W1,540 kWh/yr	1,633 W	1	1,540	$493	20% of similar
Henden HSSP420B1,650 W1,518 kWh/yr	1,650 W	1	1,518	$486	41% of similar
Henden HSSP4201,650 W1,518 kWh/yr	1,650 W	1	1,518	$486	41% of similar
Davey DSF4201,650 W1,518 kWh/yr	1,650 W	1	1,518	$486	41% of similar
Waterco Alphaflo 1.5HP1,614 W1,530 kWh/yr	1,614 W	1	1,530	$490	31% of similar
Baker Hydro Stellar 1.5HP1,614 W1,530 kWh/yr	1,614 W	1	1,530	$490	31% of similar
Waterco Alphaflo 1PH 1.5HP1,614 W1,530 kWh/yr	1,614 W	1	1,530	$490	31% of similar
Davey DEF4301,614 W1,530 kWh/yr	1,614 W	1	1,530	$490	31% of similar

kWh and cost on the label usage basis; the product page adjusts to your usage.

Compare 21400 (CTX400C) with another pool pump

Astral Pool 21400 (CTX400C) specifications

Pump type: Single speed
Nameplate input power: 1,633 W
Measured input power: 1,633 W
Current: 7.1 A
Weighted energy factor (WEF): 11.607 L/Wh
Daily run time to pump 50,000 L: 3.01 h
Effective flow at test point (derived): 277 L/min
“High” (as registered): 1,432.6
“Low” (as registered): 1,432.6
Annual energy (label): 1572.3 kWh
Star rating index: 1.12
Country of manufacture: –

“High” and “Low” are published in the registration without a documented unit; we do not interpret them. Effective flow is derived from the label test (50,000 L in the daily run time).

Australian GEMS registration details

Registration number: APP0017
GEMS registration id: 146793
Status: approved
Available until: 11 May 2027
Registered for sale in: Australia, New Zealand
Family: –
Regulatory standard: Greenhouse and Energy Minimum Standards (Swimming Pool Pump-units) Determination 2021
Test standard: AS 5102.1-2019

Source: Australian Government Energy Rating (GEMS) registration data, DCCEEW via data.gov.au (CC BY 3.0 AU). Dataset published 9 February 2026; last checked 20 September 2026. How the derived figures are calculated.