dvlin, Thanks for those instructions for pulling the water heater and your help with the measurements. Just finished installing the faucet. DW was very happy with the sprayer. We will field test it this weekend. I don't think I could have installed it without pulling the water heater.
I did check the clearances with the back half of the camper closed and with the water handle fully up. I had about 5/8 of an inch before it would touch the ceiling. The sprayer had over an inch clearance.
I cut off the 1/2 fitting that went to the old faucet and put on a watts quick connect 1/2" pex to male 1/2" pipe thread 90 degree elbow. I Ran a 12 inch fixable hose that has the 1/2 female fitting at each end between the faucet and watts fittings.
It took about 6 hours and cost about $55
- $37 for the all metal "Pfister Pfirst Series 1-Handle 3-Hole Mid-Arc Kitchen Faucet w/Side Spray" from amazon
- $18 for the fittings and hoses
Now on to the next project.