Sigma TRIUMPH - Multi-Purpose Water Heater; Standard Electric Water Heater

Water heaters shall be installed according to the hydraulic connection diagrams below, or alternatively,
in accordance with NZS 4607. See section 4.3 for detail on valves and components.
4.1 Standard electric water heater
4.2 Multi-purpose water heater
Sigma Sheetmetal Products Limited. Subject to technical modifications Page 6
Cold water supply
Hot water delivery
Equal pressure
cold water delivery
2
3
4
5
1
6
7
8
1. Isolation valve 5. Expansion control valve and relief drain
2. Strainer 6. Drain valve (inside installation only) with cap/plug
3. Pressure reducing/limiting Valve 7. Temperature and pressure relief valve and drain
(optional depending on mains pressure) 8. Tempering valve (suggested but not compulsory
4. Non-return valve temperature limiting device)
CI: Cold water inlet connection
HO: Hot water outlet connection
D: Drain connection
TPR: Temperature Pressure Relief connection
CI
HO
TP
R
D