Warmflow Oil Boilers

E21 S / E26 S / E33 S

• AA Rating on M & XL load profile
• Riello low NOx technology
• Factory fitted Grundfos UPM3 FLEX AS circulating pump
• 24l Factory fitted, hinged expansion vessel
• Frost thermostat
• Low component count
• DHW expansion vessel
• DCW inlet shut off valve
• factory fitted DCW pressure reducing valve
• Push in o-ring fittings
• Slim design
• Integrated 7 day programmer

I21 P / I26 P / I33 P / I44 P

• AA Rating on M & XL load profile
• Riello low NOx technology
• Factory fitted Grundfos UPM3 FLEX AS circulating pump
• 24ltr Factory fitted, hinged, expansion vessel
• Low component count
• DHW expansion vessel
• DCW Inlet shut-off valve
• Factory fitted DCW pressure reducing valve
• Push in o-ring fittings
• Slimline design
• Integrated 7-day programmer