• Controls oil burner, oil valve (if desired) and the ignition transformer in response to a call for heat
• Solid state flame sensing circuit
• LED on terminal strip indicates system lockout Remote lockout indication
• Enclosed safety switch with external reset butTon
• Manual trip lever opens safety switch for system maintenance
• Mounts on standard 4 x 4" junction box
• C554A cadmium sulfide flame detector and 24 VAC thermostat required
• With 30 sec safety timing, alarm outputs and manual safety switch

R75-42R

• Ignition comes on for duration of safety timing if flame fails during operationSid Harvey Item #:R75-61R: Replaces Part #:'s : R75-61R,
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  R75-61R

R75-58R

• Controls oil burner, oil valve (if desired) and the ignition transformer in response to a call for heat
• Solid state flame sensing circuit
• LED on terminal strip indicates system lockout
• Remote lockout indication
• Enclosed safety switch with external reset butTon
• Manual trip lever opens safety switch for system maintenance
• Mounts on standard 4 x 4" junction box
• C554A cadmium sulfide flame detector and 24 VAC thermostat required
• With 15 sec safety timing, alarm outputs and manual safety switch

R75-40R

B163-14R

• Interrupted ignition type
• Combine a Protectorelar unit for cycling the burner and a Pyrostat flame detector for sensing temperature changes of flue gases up to 1000 deg F
• Manual reset of safety switch required after ignition failure completely shuts off main burner
• Include manual trip safety switch to assure burner shutdown during servicing
• Mount with flange for mounting on curved or flat surfaces
• Works with 2-wire and 3-wire 24 VAC thermostat
• 2 years warranty

R20R

• Interrupted ignition type
• Combine a Protectorelar unit for cycling the burner and a Pyrostat flame detector for sensing temperature changes of flue gases up to 1000 deg F
• Manual reset of safety switch required after ignition failure completely shuts off main burner
• Include manual trip safety switch to assure burner shutdown during servicing
• Mount with flange for mounting on curved or flat surfaces
• Works with 2-wire and 3-wire 24 VAC thermostat
• 2 years warranty

R22R

• Remanufactured with 100% pure, solid silver pyrostat contacts for longer on-the-job service life
• Backed by 2-year warranty
• All new stack relays contain brass contacts covered with a slight silver plating, it wears off as the contacts open and close, exposing the brass surface over time, the exposed surface is a poor conductor and may result in relay failure and nuisance callbacksSid Harvey Item #:R5R: Replaces Part #:'s : 0R541R,
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  R5R

• Permanently lubricated bearings

185333LF

B112-8R

• Eliminates necessity to manually add water to the boiler
• Can be used with mechanical or electronic low water cut-off controls
• Quick-change replaceable cartridge valve and strainer
• Manual feed button Mcdonnell & Miller 169400 Electric Water Feeder, 2350000 BTU/hr Output, Import,
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  B112-10R

B109R