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 Botanic Garden >> Gardening >  >> Question and Answer >> Irrigation

Winterizing Toro ECx: Compressed Air Blowout Procedure

Toro ECx (1996 manual, no winterizing section). Conflicting online advice. Can shop vac work?

Standard Blowout Method

  1. Find main shutoff (vacuum breaker) with test/pet cock
  2. Close main valve
  3. Connect air compressor to pet cock
  4. Build pressure
  5. At controller: run each zone individually
  6. Run until only air from heads (no water mist)
  7. Repeat each zone 2-3 times

Shop Vac?

Never heard of suction method. Compressed air is standard. Hire pro ($50-100) if unsure.

Drain Valves

Some systems have auto/manual drains. Check valve boxes. If present, open them instead of/in addition to blowout.

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