Typical Add On Installation Kit Included With Boiler

• Pressure Safety Relief Valve

• 1/2" Drain Valve

• Damper Motor & Chain

• Two 110-24 Volt Transformers

• Triple Aquastat

• Combination Pressure & Temperature Gauge

• Normally Open Zone Valve

THIS IS THE PREFERRED SYSTEM DESIGN.
WHICH WILL PROVIDE MORE EVEN HEATING OF BOTH BOILERS