Description

Rheem RK012685 XPak Residential Hydronic Heating Boiler – 87,000 BTU/HR replaces .Up to 90.5% thermal efficiency. Infinitely modulating condensing design meets or exceeds Energy Star standards Factory installed circulator pump with bypass and condensate siphon Thermostatically-controlled circulator (user selectable three-speed design) maintains proper flow through the boiler As a packaged system, installation is fast and easy Twin-chamber, ball-type siphon provides the best flue seal with redundant safety features Compact, lightweight design mounts easily onto walls without heavy bracing Easily accessible vents and controls Safe operation sealed combustion chamber runs cool and sensors shut down the boiler in the event of a fault Electronic thermostat with diagnostics and solid state thermostatic control operates the boiler efficiently Ultra-low NOx (<20 ppm) Five-year limited heat exchanger warranty, three-year limited fan warranty and one-year limited warranty for all other parts 87,000 BTU/HR