
Ordering the right whirlpool bath pump. The difference between Metric and Imperial fittings.
Imperial Whirlpool PumpThe diameter of the thread should measure approx. 2 ¼ inches. The teeth of the thread are fairly course compared to that of the metric pump and, as shown in the diagram on the right, you should count 5 teeth per half inch. Metric Whirlpool PumpThe diameter of the metric pump is slightly wider than that of the imperial and should measure approx. 2 ½ inches. The teeth are quite smooth and closer together, measuring 7 teeth per half inch. Imperial Whirlpool PumpThe diameter of the thread should measure approx. 2 ¼ inches (diagram a). The teeth of the thread are fairly course compared to that of the metric pump and, as shown in diagram b, you should count 5 teeth per half inch. Metric Whirlpool PumpThe diameter of the metric pump is slightly wider than that of the imperial and should measure approx. 2 ½ inches. The teeth are quite smooth and closer together, measuring 7 teeth per half inch. If you are still unsure about which whirlpool pump you require, you can call our technical support line mon-fri from 8.30am-5.00pm otherwise please follow one of the links below to buy online. Imperial Whirlpool Pump - Buy Online | Metric Whirlpool Pump - Buy Online |
© Pegasus Whirlpool Baths Ltd
Pegasus Whirlpool Baths Ltd :: 61-62 Lower Dock Street, Newport. NP201EF :: Registered in Cardiff No. 4289725
© Pegasus Whirlpool Baths Ltd
Registered in Cardiff No. 4289725