Universal FloThru Spa Heater 5.5kW

Model: 48-1555-HS

Product Overview

As a retailer of hot tub spare parts, I’m presenting this high-performance 5.5kW universal FloThru heater, engineered for superior heating capacity in larger spas and demanding applications. This robust 15-inch heater delivers exceptional performance while maintaining versatility across multiple spa models.

Key Features

• Industrial-grade 5.5kW heating element
• Universal 15″ length design
• Premium stainless steel construction
• Multiple pressure switch ports with stainless steel plugs
• Adjustable grounding and mounting studs
• Customizable thermowell cover position
• Complete with 2″ heater tailpieces including gaskets/o-rings
• Versatile union connections for seamless installation

Universal Compatibility

The 5.5kW power rating makes this heater ideal for larger spas and applications requiring enhanced heating performance. Its universal design ensures compatibility with numerous spa brands and models, reducing inventory complexity.

Professional Benefits

• Simplified inventory management
• Efficient single-visit repairs
• Broad compatibility spectrum
• Quick installation design
• Heavy-duty construction for durability

Technical Specifications

Specification	Detail
Model Number	48-1555-HS
Voltage	230V
Power Rating	5.5kW
Length	15 inches
Diameter	2 inches
Connection Type	Union fittings
Construction	Stainless steel
Temperature Control	Adjustable thermowell
Mounting	Adjustable studs
Pressure Ports	Multiple (switch not included)
Application	Universal hot tub/spa

Installation Notes

The versatile design incorporates adjustable components for custom positioning, ensuring compatibility with your specific installation requirements. All necessary gaskets and O-rings for the tailpieces are included for complete installation.

Compatibility

This universal heater serves as a direct replacement for many OEM spa heaters. The adaptable design features allow for proper fitment in most standard spa configurations requiring a 5.5kW heating element.

Note: Pressure switch sold separately

Below you will find information on specific heaters the universal heater can match.

Picture	Horizon #	Description	Tube Length	Rating
	46-371-1214	Flo ThruHeater 5.5KW 2-1/4″ X 15″	15″	5.5kW
	46-371-1209	Flo ThruHtr 5.5kW 2″x15″ Coleman W/90o(No P/Switch)	15″	5.5kW
	46-371-1208	5.5Kw 2″x15″Gecko, Maax, Sonoma, Savannah,(Spa Builders)	15″	5.5kW
	46-371-1206	Flo ThruHeater 5.5KW 2″x15″SI Hydroquip 5/97-Now	15″	5.5kW
	46-371-1195	Flo ThruHeater 5.5KW 2″x15″, 180o P/S Tap (Advanced Spa)	15″	5.5kW
	46-320-1170	Flo ThruHeater 2″x15″ 5.5kW Brett Digital	15″	5.5kW
	46-320-1160	Flo ThruHeater Assy 2″x15″ PS/TI 5.5kW Brett, HQ	15″	5.5kW
	46-314-1000	HeaterAssy TRS L,M,N	15″	5.5kW
	46-238-1106	Flo ThruHeater Value/LE 5.5KW/240V w/o sensor & p/s	15″	5.5kW
	46-238-1101	Flo ThruHtr. 2″x15″ 5.5kW 240v Less pres. switch	15″	5.5kW