22
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800-347-9575
for Technical Support
4.3 Pressure Relief Valve and Combination Gauge Installation
1. Install the 30 psi pressure relief valve in the port shown in figures in the beginning of this
section. Use pipe dope on the threads. Make sure to install metal piping from the relief
valve; routed according to code to a safe place for discharge.
2. Install the combination temperature / pressure gauge in the port shown in the beginning
of this section. Use pipe dope on the threads.
4.4 Domestic Coil (optional accessory)
The boiler vessel has provision for an optional domestic coil (2 on EL-500B), which can be used for
heating potable water in an open loop circuit.. Call if you have a need for this accessory.
Domestic Coil Location
Optional Accessory
