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Gas Boiler

Gas Boiler

Raytherm® Residentials (Atmospheric, Up to 84% AFUE)

Quit struggling with bulky, heavy, out-of-date cast iron boilers. Raytherm copper fin tube residential boilers are low-mass and have high recovery rates. They’re small enough to fit almost any space and fuel-efficient for utility savings. With five sizes to choose from, there is a copper fin tube Residential for every home, apartment or condominium..

Features:

- 5 Models
- 42,000 to 180,000 BTUH
- Firing Mode
- Models 42 & 66 – Single-stage
- Models 90-180 – 2-stage
- Operates at 105 °F return water temperature without condensing – perfect for the low-temperature needs of radiant floor and snow melting systems
- Built-in pump and bypass offers maximum application flexibility
- Honeywell S-8600 IID ignition eliminates off-cycle fuel consumption; Standing pilot available on Models 90-180
- “Spark-to-hood” pilot eliminates erratic pilot ignition and lockout
- Motorized Vent Damper prevents heat loss during off-cycles
- Non-ferrous waterways option eliminates boiler oxygen permeation problems associated with non-barrier radiant tubing
- One-year parts and service warranty against defects

Hi Delta® Residentials (Sealed combustion-direct vent, 84% AFUE)

When venting flexibility is a must, Raypak Hi Delta™ has the answer! Hi Delta™ sealed combustion copper fin tube residential boilers are low-mass and offer venting flexibility with their fan-assisted design while keeping noise to a minimum. They’re small enough to fit almost any space and fuel-efficient for utility savings. With three sizes to choose from, there is a copper fin tube Residential for every home, apartment or condominium.

Features:

- 3 Models
- 122,000 to 202,000 BTUH input
- Ultra-low NOx (less than 30 ppm)
- 84% efficiency – ANSI Z21.13
- Internal ignition fault indicator LED
- Hot-surface ignition with remote sensing
- Lightweight alumina-silica combustion chamber
- Small vent sizes
- Combustion air filter
- Vertical or horizontal vent
- Certified for 70 ft. effective length sidewall venting (includes vent termination cap)
- TruSeal™ meets ASHRAE 15-1994, section 8.13.6 for direct vent
- 20-year warranty against thermal shock
- Dependable tube sheet and “O” ring heat exchanger construction
- Glass-lined cast-iron headers
- Non-ferrous waterways option eliminates boiler oxygen permeation problems associated with non-barrier radiant tubing
- Factory-installed bypass and pump

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