Heater Bonding - Pentair MT125 Installation And User Manual

Section 1. Installation Instructions
36

HEATER BONDING

A bonding lug is provided on the heater located on the upper side of the base by the plumbing
side (see Figure 32). The heater along with the pool system equipment must be bonded together.
Using solid copper conductor not smaller then 8 AWG to
reduce voltage gradients in the pool area.
Not properly bonding and grounding the heater increases the risk of electrical shock. Damage to
the heat exchanger can occur from electrolysis when the heater is not bonded properly.
All wiring must be in accordance with all
applicable codes.
The heater, when installed, must be electrically grounded and bonded in accordance with local
codes or, in the absence of local codes, with the National Electrical Code or the Canadian
MASTERTEMP 125 Pool and Spa Heater Installation and User's Guide
WARNING
BONDING
LUG
Figure 32.
460906 Rev. D 8/2020