Dealers can schedule training on installation and maintenance at EFM in Schuylkill Haven, PA at your convenience. Just call us and set up a date. Visit efmheating.com to find top quality …

EFM Online Manuals. The following manuals are available for printing or downloading in the PDF format: Boiler Stoker Model AP900 Installation Instructions. Coal Heat Stoker-fired Furnace Model AF. DF520 Base Assembly Instructions. DF520 Installation and Operating Instructions. DF520 Optional Oil Burner Installation and Operating Instructions

Briefly, a complete unit comes with a stoker/burner box, with air tube and cleanout rod, parts box and ash pit door. A complete short and long pipe and auger kit with pipe coupler. All controls are found in the list of a Water or Steam parts box, or Oil Burner optional kit. A jacket is standard, as is a Wil-burt timer.

The efm Model S20 Stoker, as furnished with the DF520 boiler, is designed for coal firing only. Use only Pennsylvania Anthracite coal in the size known as “rice coal”. Do not burn garbage, gasoline or naptha. An optional oil burner package is available, which provides the oil burner, with damper and mounting accessories to oil-fire the ...

2007年2月16日 · I have the chart from EFM that describes the feed rate (and air setting) vs. the BTU output and coal/hour input. Say I need 5 lbs/hour to keep the water up to temperature: I don't understand the difference between setting the feed at a high rate, say 20 lbs/hr. and running it for 15 minutes per hour, or setting the feed at 5lbs/hour and having ...

2007年11月20日 · Here are some tips that I've learned over the years for cleaning and maintaining the DF520 boiler. Everything should be cleaned at least once a year.

Home / EFM / Coal Stoker Boiler DF520. Coal Stoker Boiler DF520. Clean and dust free operation • “Coal heat in winter, Oil heat (for hot water) in summer” with exclusive oil burner kit option • “Trombone” style copper hot water coil • ASME designed and certified pressure vessel

Clean and dust free operation. "Coal heat in winter, Oil heat (for hot water) in summer” with exclusive oil burner kit option. “Trombone” style copper hot water coil. Boiler shell is ASME designed and tested. Extended coil flanges and connections avoid hidden leaks. Stoker is ratchet and enclosed gear driven. Control and feed are fully automated.

The Coal Boiler unit is an EFM 520 S-20 model and can produce 175,000 btu's per hour. It has a base which has a pot with burner plates and utilizes an auger/worm operated by the transmission and stoker motor to feed Rice Coal to the pot. EFM has a feed and air adjustment for coal burning efficiency purposes.

5 天之前 · Up for sale is a EFM 520 coal stoker boiler with a 6 gallon per minute Domestic Hot Water Coil. This boiler was completely overhauled in 2016. I built a new base in 2016 using 12 gauge steel which is a lot heavier than the original base.