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Sunday, May 12th 2019, 11:21am

Index valve conversion with a heat pump


I hope today finds this forum well. I am writing today for my neighbor. He has a heat pump A/C (water to air) unit with the discharge being used to irrigate his lawn through an index valve. He is wanting to convert to traditional electric valves as the index valve is having to be replaced once sometimes twice a year either due to wear/tear or the wife hitting it with the mower.

My question is....what is involved? I know that there is a master valve in the house at the heat pump which opens up when the A/C kicks on but would there also need to be another outside before the zone valves?

Any insight would be helpful.

Thank you and have a great day!!!


Supreme Member

Posts: 5,331

Location: Metro NYC


Tuesday, May 14th 2019, 7:36pm

Why not better protect the indexing valve? Can it be relocated?

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