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Hot water cylinder replacement and hot water heat pump electrical and plumbing

Job description

Posted 1 year ago

Site Description
1975 house on piles, easy crawl access. Walls currently exposed in bathroom and from HWC - these tasks to be done now.

Kitchen will be renovated in a couple months time - keen to do the prep work for this now if possible

• Wire prepped for bathroom extractor fan.
Hot water Cylinder
• Reroute current dedicated connection to external IP rated connection to Bosch Compress with own fuse (Max bosch 3000 current is 9.8A)
• Wire in heatpump HWC
• Wire prepped for rangehood install
• New cable prepped from fusebox for new induction hob (next to current shacklock) – 30A?


• Re-pipe and install shower diverter and spout fittings (already have methven fittings purchased)
Hot water Cylinder
• Remove old low-pressure hot water cylinder
• Remove old wetback pipes (not currently connected but potentially have water in them)
• Re-route water inlet and outlet to external connection to new mains pressure hot water heat pump
• Connect inlet and outlet to new HWHP, inc pressure relief valve and drain into sewer vent (bosch compress 3000 already on site in storage) .
• Install thermal lagging for all new pipes
• Check all house pipes/fittings can handle upgrade to Mains pressure hot water (bathroom/HWC walls all currently exposed so inspection should be easy)

• Prep sink connection points and drain for later sink relocation


Tradie #1 4 jobs Secured job
Tradie #2 6 jobs No longer in contact

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