Tankless Water Heater

Cleaning

• Scale builds up on the inside of pipes, and must be cleaned every year with mild acid such as vinegar

Sourcing

Electric

• 4.1 kW 100F rise recovary rate of 30 gph - stated spec. $330 [1]. Q&A is inconsistent with spec: [At 0.5 GPM you will receive a 56° temperature rise, at 1.0 GPM you will receive a 28° temperature rise]. It's tiny - 10x5x3 inches.
• 8kW 35F rise at 1.56 gpm - $240 -[2]
• 6.5 kW 30A 240 - $120 [3]

Propane

• 4 gpm dec 6 [4]
• $1150 LP [5]
• $130 LP 2.6 gpm [6]
• $110 4 gpm [7]
• 10 L dec 6 [8]

Links

• Tankless Electric Water Heater
• Service valve - [9]
• Could alternatively use 2 Diverter Valves + with separate relief valve . Cost of $19x2 +
• Mintank Water Heater