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Mend Sunier Duval SD620 Home Heating Systems

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Mend Sunier Duval SD620 Heating Pressure Gauge Faulty

Pressure Guage not working ?

I have a Sunier Duval SD620 - the pressure gauge needle on the front doesnt 'seem' to work. Is there an alternative way to test the pressure ??
The temp gauge on the same unit works perfectly.
Do pressure gauges just give up sometimes ?
Thank you

Martin
September 2011
Sunier DuvalSunier Duval SD620Heating, Home Heating SystemsHeating Pressure Gauge Faulty Gauge

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