Open as PDF
This manual must only be used by a qualified heating installer/service technician.
Read all instructions, including the Boiler Manual and other supplements, before
installing. Install PLUS or Ultra PLUS indirect-fired water heater as explained in
the PLUS Line Manual. Install Ultra boiler as explained in the Ultra Boiler Manual.
Perform steps in the order given. Failure to comply could result in severe personal
injury, death or substantial property damage.
Part No. IWHA016A/1103
Gas-fired Water Boilers
Indirect-Fired Water Heaters
PLUS & PLUS water heaters with
Instruction Manual Supplement