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Janitrol HVAC replacement parts for Janitrol & Goodman Air Conditioners, Furnaces, Air Handlers and much more! All of our parts are guaranteed genuine

Electric Trading Co. - Manufacturer and Distributor of Blowers, Blower Wheels, Fans and Forced Air Heaters located in NYC since 1903. Manufacturer of Ventilaire™ Fan and Air Moving Products.

Goodman HVAC replacement parts for Goodman Air Conditioners, Furnaces, Air Handlers and much more! All of our parts are guaranteed genuine Goodman OEM

Chilipad Cube

Same Day HVAC Repair Service in the Raleigh, Durham, Chapel Hill, & Cary Areas. Call Before 6PM & Get Your Heater and Air Conditioner Fixed The Same Day!

Aube Technologies is a manufacturer of electronic thermostats and energy control products / Aube Technologies est un manufacturiers de thermostats et de produits électronique

Looking for expert heating and cooling services in the Kent, Washington area? AAA Heating & Air Conditioning offers top quality HVAC repair, maintenance and installation!

vent free gas logs, outdoor fireplaces, heaters, commercial stainless steel grills, furnaces, glass minnow trap, plotter blades, forced air heater

Lil'House Outside the house forced air wood furnace can heat houses, mobile homes, shops.

ServiceMark has been the leading HVAC Repair, Heater, Air Conditioner and Plumbing Service in Exton, Wilmington and King of Prussia for over 60 years.

Trusted technicians specializing in plumber/plumbing, heater/furnace, cooling/air conditioner, bathroom and kitchen remodeling, septic in Metro East.

World Marketing Of America Was Founded In 1982 To Fill The Growing Need For A Reliable Supplier Of Afer-Market Kerosene Heater Replacement Wicks. We Provide A Comple

O’Brien Service Company is a locally owned and operated business established in 1981. We provide a complete range of heating and air services.

Raytech offers electric and natural gas tabletop patio heaters and more much for sale. Click here to view our wide selection of products.

Wallas Heater, Wallas Stove, Wallas marine stove Wallas diesel stove, boat heater, diesel forced air marine heater boat stove/heater, diesel RV heat, RV stove

BOILER QUESTIONS AND ANSWERS Q. What is boiler. A. According to Indian Boiler Act 1923, a boiler is a closed pressure vessel / steam generating unit with minimum capacity of 22.70 liters, including all mountings and accessories. Q. What is circulation ratio of a boiler. A. It is the ratio of the quantity of water-steam mixture flowing through the circuit to the quantity of steam produced in the circuit , The circulation ratio of once through / super critical boiler is one because all water Is converted to steam. The circulation ratios of 1. Natural circulation industrial boiler - 10 to 15 2. Natural circulation utility boiler - 7 to 9 3. Assisted circulation boilers - 2 to 4 4. Forced circulation / once through boiler - 1 Q What are the boiler mountings. A. The boiler mountings are used for safe and efficient operation of boiler, these are placed in out side of the boiler. 1. Safety valve. 2.pressure gauge. 3.Water level gauge glass.. Pressure gauge. 4. Start-up vent. 5.Air vent. 5.Manhole. Q. What are boiler accessories. A. These are the integral part of boiler which help to run the boiler most efficiently These are, 1. Super heater. 2. Economizer. 3.Air pre- heater. 4.ID and FD fans. 5. Ash handling system. 6.Dosing system. 7. Soot blower. 8.De super heating system. Q. What is turn down ratio of boiler. A. It is the operating range of boiler from maximum capacity to minimum capacity in which the boiler can run efficiently without any external fuel support . The higher turn down ratio greater the efficiency of boiler. For example if the boiler is designed 80mw and can operate up to 20mw without any external fuel support and any variations of parameter then the turn down ratio is 80/20=4. Q. What is boiler efficiency. A. It is the ratio of heat output to heat input of the boiler. Boiler efficiency= Heat output / hea