Specifications
3
Congratulations on your purchase of a new Series 3™ boiler—designed and constructed to provide you
with years of reliable service.
• ENERGY STAR™ efficiency – friendly on the environment and your wallet.
• Cast iron heat exchanger – for reliability and durability, nothing beats a cast iron heat exchanger.
• IQ Control™ – the most advanced and easiest to use control available.
• System-friendly – built-in protection from condensation and thermal shock.
1. q Series 3™ Boiler
2. q Vent Damper w/ Carton
4” Damper 303B (102284-01)
5” Damper 304B (102284-02)
6” Damper 305B & 306B (102284-03)
7” Damper 307B & 308B (102284-04)
8” Damper 309B (102284-05)
3. q Circulator & Gasket Kit
Taco 007-2 (8056170)
Grundfos UP-15 (102805-02)
B & G NRF-22 (8056174)
4. q Miscellaneous Parts Bag (102627-01)
q Temperature/Pressure Gage; ¼” NPT
(100282-01)
q Circulator Mounting Hardware Kit,
1-1/4” NPT (6056007)
q Drain Valve; ¾” NPT (102802-01)
q Pressure Relief Valve; 30 psi
(81660363)
q Water Manifold for Pressure Relief/
Temp. Gage (80607001)
What's in the crate?
5. q Instruction Envelope (103795-01)
q Instruction & Operation Manual
(103796-04)
q Boiler Warranty Sheet (103203-01)
q Boiler Warranty Card (103204-02)
*IQ Control System Overview
Series 3 Boiler uses a microprocessor based control system called the "IQ Control System". This "IQ
Control System" consists of an Intelligent Hydronic Control (Control) and an IQ Option Panel (Option
Panel) with optional "plug-in" IQ Option Cards (Option Card). The IQ Control System fully integrates both
factory and eld installed components, simplifying installation and troubleshooting. The IQ Control System
is designed to efciently operate the entire boiler system to save energy, installation and setup time while
ensuring adequate supply of heat and domestic hot water.