Honeywell L404F - Manuals

L404F,T,V PRESSURETROL ® CONTROLLERS 71-2429—06 2 ORDERING INFORMATION When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further i...

L404F,T,V PRESSURETROL ® CONTROLLERS 71-2429—06 4 INSTALLATION When Installing This Product… 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. 2. Check on the ratings given in the instructions and marked on the product to make sure ...

L404F,T,V PRESSURETROL ® CONTROLLERS 5 71-2429—06 Fig. 3. Typical locations of pressure controllers in an oil burner system. Fig. 4. Mounting an oil pressure controller directly on the main pipe. Using with Preheated Oil When used with preheated oil, a siphon loop must always be connected between th...