Water Heater Systems - Pumps and Pressure $5,587.00 Sewershop carries a variety Pumps & Pressures replacement parts, including flow switches, fuel filters, transformers, fuel pumps, heater coils, and more! DescriptionPriceQuantity Water Heater Hi Limit Switch | 900K BTU $212.38 Water Heater Hi Limit Switch | 440K BTU $95.63 Water Heater Igniter | 900K BTU $85.63 Water Heater Igniter | 440K BTU $42.38 Water Heater Fuel | 900K BTU $37.50 Water Heater Fuel | 440K BTU $37.50 Water Heater Primary Control | 900K BTU $441.41 Water Heater Transformer | 900K BTU $237.50 Water Heater 12V Transformer | 440K BTU $441.25 Water Heater Thermostat | 900K BTU $530.00 Water Heater Thermostat | 440K BTU $162.25 Water Heater Thermocouple | 900K BTU $300.00 Water Heater Fuel Filter | 440K/900K BTU $79.99 Water Heater Fuel Pump Shaft Coupling | 900K BTU $24.88 Water Heater Fuel Pump Shaft Coupling | 440K BTU $17.38 Water Heater Fuel Pump | 900K BTU $484.00 Water Heater Temp Gauge | 440K/900K BTU $136.50 Water Heater Fuel Solenoid | 900K BTU $183.75 Water Heater Blower Motor | 900K BTU $550.00 Water Heater Central Heater Coil | 440K BTU $2,820.91 Water Heater central Heater Coil | 900K BTU $5,587.00